My card is a Samsung 32 EVO Micro SD HC I held in an SD adapter and used and formatted by my Nikon camera.
[tmerley@localhost ~]$ journalctl -f
-- Logs begin at Mon 2014-08-25 06:16:28 PDT. --
Aug 25 20:28:07 localhost.localdomain dhclient[1015]: ...
... ... [starting line just before SD card plugged in] ...
Aug 25 20:23:00 localhost.localdomain gnome-session[1411]: Window manager warning: Log level 8: meta_window_focus: assertion '!window->overr... failed
Aug 25 20:24:27 localhost.localdomain kernel: mmc0: cannot verify signal voltage switch
Aug 25 20:24:27 localhost.localdomain kernel: mmc0: new ultra high speed SDR50 SDHC card at address 0001
Aug 25 20:24:27 localhost.localdomain kernel: mmcblk0: mmc0:0001 00000 29.2 GiB
Aug 25 20:24:27 localhost.localdomain kernel: mmcblk0: p1
Aug 25 20:24:28 localhost.localdomain kernel: SELinux: initialized (dev mmcblk0p1, type vfat), uses genfs_contexts
Aug 25 20:24:28 localhost.localdomain udisksd[1516]: Mounted /dev/mmcblk0p1 at /run/media/tmerley/NO_NAME on behalf of uid 1000
Aug 25 20:25:08 localhost.localdomain NetworkManager[640]: <warn> nl_recvmsgs() error: (-33) Dump inconsistency detected, interrupted
... [ending one line after SD card plugged in] ...
... [unmount remove re-insert] ...
Aug 25 20:42:54 localhost.localdomain udisksd[1516]: Cleaning up mount point /run/media/tmerley/NO_NAME (device 179:1 is not mounted)
Aug 25 20:42:54 localhost.localdomain udisksd[1516]: Unmounted /dev/mmcblk0p1 on behalf of uid 1000
Aug 25 20:43:32 localhost.localdomain kernel: mmc0: card 0001 removed
Aug 25 20:43:36 localhost.localdomain kernel: mmc0: cannot verify signal voltage switch
Aug 25 20:43:36 localhost.localdomain kernel: mmc0: new ultra high speed SDR50 SDHC card at address 0001
Aug 25 20:43:36 localhost.localdomain kernel: mmcblk0: mmc0:0001 00000 29.2 GiB
Aug 25 20:43:36 localhost.localdomain kernel: mmcblk0: p1
Aug 25 20:43:36 localhost.localdomain kernel: SELinux: initialized (dev mmcblk0p1, type vfat), uses genfs_contexts
Aug 25 20:43:36 localhost.localdomain udisksd[1516]: Mounted /dev/mmcblk0p1 at /run/media/tmerley/NO_NAME on behalf of uid 1000
[tmerley@localhost ~]$ dmesg
... ...
[ 202.037022] mmc0: cannot verify signal voltage switch
[ 202.134193] mmc0: new ultra high speed SDR50 SDHC card at address 0001
[ 202.160009] mmcblk0: mmc0:0001 00000 29.2 GiB
[ 202.163517] mmcblk0: p1
[ 203.258077] SELinux: initialized (dev mmcblk0p1, type vfat), uses genfs_contexts
[tmerley@localhost ~]$ mount
... ...
/dev/mmcblk0p1 on /run/media/tmerley/NO_NAME type vfat (rw,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0077,codepage=437,iocharset=ascii,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)