I am sorry -_-.
It was a misconfiguration from my end.
For future reference: my team0 was set to "auto" as ipv4.method.
But actually I am using a vlan interface on top of that which did DHCP, and no DHCP is
available on the default VLAN.
After setting the ipv4.method to "link-local", the messages disappeared from the
This was also causing some network hiccups on the host that now went away.