I have three team interfaces:
- sw1 and sw2, both are three-NIC lacps
- and an activebackup called team0 (I'm open to better naming suggestions :) on top of sw1+sw2.

Here is how vlan interface teardown looks like using the unstacked sw1 interface:

[root@vc1n3 ~]# systemctl start teamd@sw1
[root@vc1n3 ~]# ip l s sw1 up
[root@vc1n3 ~]# ip link add link sw1 name lan.246 type vlan id 246
[root@vc1n3 ~]# ip l s lan.246 up
[root@vc1n3 ~]# systemctl stop teamd@sw1
[root@vc1n3 ~]#

Everything went fine, both sw1 and lan.246@sw1 are now gone.

Now let's try this with stacked team interfaces:

[root@vc1n3 ~]# systemctl start teamd@sw1 teamd@sw2
[root@vc1n3 ~]# systemctl start teamd@team0
[root@vc1n3 ~]# ip l s team0 up
[root@vc1n3 ~]# ip link add link team0 name lan.246 type vlan id 246
[root@vc1n3 ~]# ip l s lan.246 up
[root@vc1n3 ~]# systemctl stop teamd@team0

… and it freezes. I can't tell you what the state of the network interfaces is, because running 'ip link show' also freezes. The teamd process becomes unkillable. Only thing left to do now is to hard reset the system, cause I can't do a proper shutdown in any shape or form.


Some info:
- libteam git master from today
- kernel 4.7.0
- full teamd configs are at the very end of this email


Logs:
Aug 09 08:54:58 vc1n3 polkitd[10340]: Registered Authentication Agent for unix-process:11455:5149256 (system bus name :1.369 [/usr/bin/pkttyagent --notify-fd 5 --fallback], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale C.utf-8)
Aug 09 08:54:58 vc1n3 kernel: team0: Port device sw2 removed
Aug 09 08:54:58 vc1n3 systemd[1]: Stopping Team Daemon for device team0...
Aug 09 08:54:58 vc1n3 teamd[11418]: Got SIGINT, SIGQUIT or SIGTERM.
Aug 09 08:55:35 vc1n3 polkitd[10340]: Unregistered Authentication Agent for unix-process:11455:5149256 (system bus name :1.369, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale C.utf-8) (disconnected from bus)
Aug 09 08:56:01 vc1n3 systemd[1]: Started Session c163 of user root.
Aug 09 08:56:01 vc1n3 systemd[1]: Starting Session c163 of user root.
Aug 09 08:56:01 vc1n3 CROND[11489]: (root) CMD (/usr/bin/update_axeos_certificates --quiet)
Aug 09 08:56:28 vc1n3 systemd[1]: teamd@team0.service: State 'stop-sigterm' timed out. Killing.
Aug 09 08:57:58 vc1n3 systemd[1]: teamd@team0.service: Processes still around after SIGKILL. Ignoring.
Aug 09 08:58:46 vc1n3 kernel: INFO: task snmpd:2217 blocked for more than 120 seconds.
Aug 09 08:58:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 08:58:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 08:58:46 vc1n3 kernel: snmpd           D ffff88107fc96800     0  2217      1 0x00000000
Aug 09 08:58:46 vc1n3 kernel:  ffff88085b0c2580 0000000000000020 ffff881052e62480 ffff88085ac5c000
Aug 09 08:58:46 vc1n3 kernel:  ffff88085ac5bdc0 ffffffff81889624 ffff88085b0c2580 0000000000000246
Aug 09 08:58:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 08:58:46 vc1n3 kernel: Call Trace:
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813d6697>] ? dev_ioctl+0x2e7/0x570
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811971f4>] ? clear_inode+0x14/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff810e848a>] ? cgroup_sk_alloc+0x2a/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a20e6>] ? sock_do_ioctl+0x36/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a253e>] ? sock_ioctl+0x19e/0x240
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8118fe94>] ? do_vfs_ioctl+0x84/0x5a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81181076>] ? alloc_file+0x16/0xa0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a1fc5>] ? sock_alloc_file+0x95/0x110
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81190421>] ? SyS_ioctl+0x71/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a4653>] ? SyS_socket+0x63/0xa0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 08:58:46 vc1n3 kernel: INFO: task kworker/3:0:11165 blocked for more than 120 seconds.
Aug 09 08:58:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 08:58:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 08:58:46 vc1n3 kernel: kworker/3:0     D ffff88085fd96800     0 11165      2 0x00000000
Aug 09 08:58:46 vc1n3 kernel: Workqueue: ipv6_addrconf addrconf_verify_work
Aug 09 08:58:46 vc1n3 kernel:  ffff88085ade8000 0000000000000000 0000000000000000 ffff8808557d4000
Aug 09 08:58:46 vc1n3 kernel:  ffff8808557d3e18 ffffffff81889624 ffff88085ade8000 0000000000000246
Aug 09 08:58:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 08:58:46 vc1n3 kernel: Call Trace:
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff810286f4>] ? __switch_to+0x244/0x570
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8145e9f5>] ? addrconf_verify_work+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81086de5>] ? process_one_work+0x145/0x3d0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff810870d0>] ? worker_thread+0x60/0x4a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81497e67>] ? __schedule+0x1e7/0x670
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81087070>] ? process_one_work+0x3d0/0x3d0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8108beea>] ? kthread+0xca/0xe0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149c79f>] ? ret_from_fork+0x1f/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8108be20>] ? kthread_create_on_node+0x180/0x180
Aug 09 08:58:46 vc1n3 kernel: INFO: task teamd:11385 blocked for more than 120 seconds.
Aug 09 08:58:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 08:58:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 08:58:46 vc1n3 kernel: teamd           D ffff88107fd16800     0 11385      1 0x00000000
Aug 09 08:58:46 vc1n3 kernel:  ffff88105aed3e80 ffff88085b8a1600 00000000000000db ffff8810545f4000
Aug 09 08:58:46 vc1n3 kernel:  ffff8810545f3c78 ffffffff81889624 ffff88105aed3e80 0000000000000246
Aug 09 08:58:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 08:58:46 vc1n3 kernel: Call Trace:
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81190dc0>] ? poll_select_copy_remaining+0x120/0x120
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813cfa00>] ? rtnetlink_rcv+0x10/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a4538>] ? ___sys_recvmsg+0x148/0x1c0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811bdc34>] ? ep_send_events_proc+0x74/0x170
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811be517>] ? ep_poll+0x127/0x350
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 08:58:46 vc1n3 kernel: INFO: task teamd:11386 blocked for more than 120 seconds.
Aug 09 08:58:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 08:58:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 08:58:46 vc1n3 kernel: teamd           D ffff88107fc96800     0 11386      1 0x00000000
Aug 09 08:58:46 vc1n3 kernel:  ffff88105aed7080 ffff88085abf1f00 00000000000000db ffff881057ff4000
Aug 09 08:58:46 vc1n3 kernel:  ffff881057ff3c78 ffffffff81889624 ffff88105aed7080 0000000000000246
Aug 09 08:58:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 08:58:46 vc1n3 kernel: Call Trace:
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81190dc0>] ? poll_select_copy_remaining+0x120/0x120
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813cfa00>] ? rtnetlink_rcv+0x10/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a4538>] ? ___sys_recvmsg+0x148/0x1c0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811bdc34>] ? ep_send_events_proc+0x74/0x170
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8109b627>] ? update_curr+0xa7/0x130
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff810a2e72>] ? pick_next_task_fair+0x2c2/0x490
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 08:58:46 vc1n3 kernel: INFO: task teamd:11418 blocked for more than 120 seconds.
Aug 09 08:58:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 08:58:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 08:58:46 vc1n3 kernel: teamd           D ffff88107fc16800     0 11418      1 0x00000004
Aug 09 08:58:46 vc1n3 kernel:  ffff88105af10000 0000000000000001 0000000000000000 ffff881057fe4000
Aug 09 08:58:46 vc1n3 kernel:  ffff881057fe3750 ffff88085560f814 ffff88105af10000 0000000000000246
Aug 09 08:58:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffff88085560f810 ffffffff814985b5
Aug 09 08:58:46 vc1n3 kernel: Call Trace:
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81429f63>] ? inetdev_event+0x23/0x4b0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffffa0828e34>] ? team_device_event+0xe4/0x110 [team]
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8108cc00>] ? notifier_call_chain+0x40/0x60
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813c1ef1>] ? netdev_update_features+0x21/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813c1c72>] ? __netdev_update_features+0x2e2/0x540
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813bcda7>] ? netdev_info+0x57/0x60
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813c204d>] ? netdev_change_features+0xd/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffffa0828cde>] ? team_port_del+0x1ae/0x1e0 [team]
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffffa0828d38>] ? team_del_slave+0x28/0x40 [team]
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813d0650>] ? do_setlink+0x320/0xb60
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811be3bd>] ? ep_scan_ready_list+0x1ad/0x1c0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811be3d0>] ? ep_scan_ready_list+0x1c0/0x1c0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811bdfc2>] ? ep_call_nested.constprop.10+0xe2/0x100
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813d15a1>] ? rtnl_newlink+0x621/0x870
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813d1084>] ? rtnl_newlink+0x104/0x870
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813d1c01>] ? rtnl_getlink+0x121/0x1a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813cfaa8>] ? rtnetlink_rcv_msg+0x88/0x210
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81177b7b>] ? __kmalloc_node_track_caller+0x2b/0x210
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813cfa20>] ? rtnetlink_rcv+0x30/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed82c>] ? netlink_rcv_skb+0x9c/0xc0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813cfa0f>] ? rtnetlink_rcv+0x1f/0x30
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811978d4>] ? generic_update_time+0x74/0xc0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff81198f69>] ? touch_atime+0x99/0xa0
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff811871fa>] ? pipe_read+0x2ca/0x300
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8117e4fa>] ? __vfs_read+0xba/0x110
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 08:58:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 08:59:28 vc1n3 systemd[1]: teamd@team0.service: State 'stop-final-sigterm' timed out. Killing.
Aug 09 09:00:01 vc1n3 systemd[1]: Started Session c164 of user root.
Aug 09 09:00:01 vc1n3 CROND[11542]: (root) CMD (exec /usr/lib/sa/sa1 600 6)
Aug 09 09:00:01 vc1n3 systemd[1]: Starting Session c164 of user root.
Aug 09 09:00:01 vc1n3 CROND[11543]: (root) CMD (/usr/bin/update_axeos_certificates --quiet)
Aug 09 09:00:01 vc1n3 systemd[1]: Started Session c165 of user root.
Aug 09 09:00:01 vc1n3 systemd[1]: Starting Session c165 of user root.
Aug 09 09:00:46 vc1n3 kernel: INFO: task snmpd:2217 blocked for more than 120 seconds.
Aug 09 09:00:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 09:00:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 09:00:46 vc1n3 kernel: snmpd           D ffff88107fc96800     0  2217      1 0x00000000
Aug 09 09:00:46 vc1n3 kernel:  ffff88085b0c2580 0000000000000020 ffff881052e62480 ffff88085ac5c000
Aug 09 09:00:46 vc1n3 kernel:  ffff88085ac5bdc0 ffffffff81889624 ffff88085b0c2580 0000000000000246
Aug 09 09:00:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 09:00:46 vc1n3 kernel: Call Trace:
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813d6697>] ? dev_ioctl+0x2e7/0x570
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811971f4>] ? clear_inode+0x14/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff810e848a>] ? cgroup_sk_alloc+0x2a/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a20e6>] ? sock_do_ioctl+0x36/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a253e>] ? sock_ioctl+0x19e/0x240
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8118fe94>] ? do_vfs_ioctl+0x84/0x5a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81181076>] ? alloc_file+0x16/0xa0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a1fc5>] ? sock_alloc_file+0x95/0x110
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81190421>] ? SyS_ioctl+0x71/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a4653>] ? SyS_socket+0x63/0xa0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 09:00:46 vc1n3 kernel: INFO: task kworker/3:0:11165 blocked for more than 120 seconds.
Aug 09 09:00:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 09:00:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 09:00:46 vc1n3 kernel: kworker/3:0     D ffff88085fd96800     0 11165      2 0x00000000
Aug 09 09:00:46 vc1n3 kernel: Workqueue: ipv6_addrconf addrconf_verify_work
Aug 09 09:00:46 vc1n3 kernel:  ffff88085ade8000 0000000000000000 0000000000000000 ffff8808557d4000
Aug 09 09:00:46 vc1n3 kernel:  ffff8808557d3e18 ffffffff81889624 ffff88085ade8000 0000000000000246
Aug 09 09:00:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 09:00:46 vc1n3 kernel: Call Trace:
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff810286f4>] ? __switch_to+0x244/0x570
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8145e9f5>] ? addrconf_verify_work+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81086de5>] ? process_one_work+0x145/0x3d0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff810870d0>] ? worker_thread+0x60/0x4a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81497e67>] ? __schedule+0x1e7/0x670
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81087070>] ? process_one_work+0x3d0/0x3d0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8108beea>] ? kthread+0xca/0xe0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149c79f>] ? ret_from_fork+0x1f/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8108be20>] ? kthread_create_on_node+0x180/0x180
Aug 09 09:00:46 vc1n3 kernel: INFO: task teamd:11385 blocked for more than 120 seconds.
Aug 09 09:00:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 09:00:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 09:00:46 vc1n3 kernel: teamd           D ffff88107fd16800     0 11385      1 0x00000000
Aug 09 09:00:46 vc1n3 kernel:  ffff88105aed3e80 ffff88085b8a1600 00000000000000db ffff8810545f4000
Aug 09 09:00:46 vc1n3 kernel:  ffff8810545f3c78 ffffffff81889624 ffff88105aed3e80 0000000000000246
Aug 09 09:00:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 09:00:46 vc1n3 kernel: Call Trace:
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81190dc0>] ? poll_select_copy_remaining+0x120/0x120
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813cfa00>] ? rtnetlink_rcv+0x10/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a4538>] ? ___sys_recvmsg+0x148/0x1c0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811bdc34>] ? ep_send_events_proc+0x74/0x170
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811be517>] ? ep_poll+0x127/0x350
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 09:00:46 vc1n3 kernel: INFO: task teamd:11386 blocked for more than 120 seconds.
Aug 09 09:00:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 09:00:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 09:00:46 vc1n3 kernel: teamd           D ffff88107fc96800     0 11386      1 0x00000000
Aug 09 09:00:46 vc1n3 kernel:  ffff88105aed7080 ffff88085abf1f00 00000000000000db ffff881057ff4000
Aug 09 09:00:46 vc1n3 kernel:  ffff881057ff3c78 ffffffff81889624 ffff88105aed7080 0000000000000246
Aug 09 09:00:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffffffff81889620 ffffffff814985b5
Aug 09 09:00:46 vc1n3 kernel: Call Trace:
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81190dc0>] ? poll_select_copy_remaining+0x120/0x120
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813cfa00>] ? rtnetlink_rcv+0x10/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a4538>] ? ___sys_recvmsg+0x148/0x1c0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811bdc34>] ? ep_send_events_proc+0x74/0x170
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8109b627>] ? update_curr+0xa7/0x130
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff810a2e72>] ? pick_next_task_fair+0x2c2/0x490
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 09:00:46 vc1n3 kernel: INFO: task teamd:11418 blocked for more than 120 seconds.
Aug 09 09:00:46 vc1n3 kernel:       Tainted: G           O    4.7.0-aos0.1 #1
Aug 09 09:00:46 vc1n3 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Aug 09 09:00:46 vc1n3 kernel: teamd           D ffff88107fc16800     0 11418      1 0x00000004
Aug 09 09:00:46 vc1n3 kernel:  ffff88105af10000 0000000000000001 0000000000000000 ffff881057fe4000
Aug 09 09:00:46 vc1n3 kernel:  ffff881057fe3750 ffff88085560f814 ffff88105af10000 0000000000000246
Aug 09 09:00:46 vc1n3 kernel:  00000000ffffffff ffffffff8149831c ffff88085560f810 ffffffff814985b5
Aug 09 09:00:46 vc1n3 kernel: Call Trace:
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149831c>] ? schedule+0x2c/0x80
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff814985b5>] ? schedule_preempt_disabled+0x5/0x10
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a60c>] ? __mutex_lock_slowpath+0x10c/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81429f63>] ? inetdev_event+0x23/0x4b0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a809>] ? mutex_lock+0x9/0x20
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffffa0828e34>] ? team_device_event+0xe4/0x110 [team]
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8108cc00>] ? notifier_call_chain+0x40/0x60
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813c1ef1>] ? netdev_update_features+0x21/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813c1c72>] ? __netdev_update_features+0x2e2/0x540
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813bcda7>] ? netdev_info+0x57/0x60
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813c204d>] ? netdev_change_features+0xd/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffffa0828cde>] ? team_port_del+0x1ae/0x1e0 [team]
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffffa0828d38>] ? team_del_slave+0x28/0x40 [team]
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813d0650>] ? do_setlink+0x320/0xb60
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149a3bb>] ? __mutex_unlock_slowpath+0xbb/0x160
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811be3bd>] ? ep_scan_ready_list+0x1ad/0x1c0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811be3d0>] ? ep_scan_ready_list+0x1c0/0x1c0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811bdfc2>] ? ep_call_nested.constprop.10+0xe2/0x100
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813d15a1>] ? rtnl_newlink+0x621/0x870
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813d1084>] ? rtnl_newlink+0x104/0x870
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813d1c01>] ? rtnl_getlink+0x121/0x1a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813cfaa8>] ? rtnetlink_rcv_msg+0x88/0x210
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81177b7b>] ? __kmalloc_node_track_caller+0x2b/0x210
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813cfa20>] ? rtnetlink_rcv+0x30/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed82c>] ? netlink_rcv_skb+0x9c/0xc0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813cfa0f>] ? rtnetlink_rcv+0x1f/0x30
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed17a>] ? netlink_unicast+0x14a/0x1e0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813ed609>] ? netlink_sendmsg+0x349/0x3a0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a3b5b>] ? sock_sendmsg+0x2b/0x40
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a43dd>] ? ___sys_sendmsg+0x24d/0x260
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811978d4>] ? generic_update_time+0x74/0xc0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff81198f69>] ? touch_atime+0x99/0xa0
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff811871fa>] ? pipe_read+0x2ca/0x300
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8117e4fa>] ? __vfs_read+0xba/0x110
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff813a519c>] ? __sys_sendmsg+0x3c/0x70
Aug 09 09:00:46 vc1n3 kernel:  [<ffffffff8149c576>] ? entry_SYSCALL_64_fastpath+0x1e/0xa8
Aug 09 09:00:58 vc1n3 systemd[1]: teamd@team0.service: Processes still around after final SIGKILL. Entering failed mode.
Aug 09 09:00:58 vc1n3 systemd[1]: Stopped Team Daemon for device team0.
Aug 09 09:00:58 vc1n3 systemd[1]: teamd@team0.service: Unit entered failed state.
Aug 09 09:00:58 vc1n3 systemd[1]: teamd@team0.service: Failed with result 'timeout'.






Configs:
[root@vc1n3 interfaces]# cat team-sw1
{
        "device":               "sw1",
        "hwaddr":               "00:0a:f7:06:1e:68",
        "runner": {
                "name": "lacp",
                "active": true,
                "fast_rate": true,
                "tx_hash": ["eth", "ipv4", "ipv6"]
        },
        "link_watch":           {"name": "ethtool"},
        "ports":                {"enp17s0f0": {}, "eno2": {}, "eno3": {}}
}
[root@vc1n3 interfaces]# cat team-sw2
{
        "device":               "sw2",
        "hwaddr":               "00:0a:f7:06:1e:6a",
        "runner": {
                "name": "lacp",
                "active": true,
                "fast_rate": true,
                "tx_hash": ["eth", "ipv4", "ipv6"]
        },
        "link_watch":           {"name": "ethtool"},
        "ports":                {"enp17s0f1": {}, "eno4": {}, "eno5": {}}
}
[root@vc1n3 interfaces]# cat team-team0
{
    "device":   "team0",
    "runner":   {"name": "activebackup"},
    "link_watch":   {
        "name": "ethtool"
    },
    "ports":    {
        "sw1": {
            "prio": 100
        },
        "sw2": {
            "prio": 50
        }
    }
}