ubuntu@dev:~$ dmesg | tail
[ 3294.312262] EXT4-fs (vdc): VFS: Can't find ext4 filesystem
[ 3360.358234] EXT4-fs (vdc): VFS: Can't find ext4 filesystem
[ 3382.124795] EXT3-fs (vdc): error: can't find ext3 filesystem on dev vdc.
[30041.415661] EXT3-fs (vdc): error: can't find ext3 filesystem on dev vdc.
[30041.416410] EXT4-fs (vdc): VFS: Can't find ext4 filesystem
[30234.281115] EXT3-fs (vdc): error: can't find ext3 filesystem on dev vdc.
[30234.284487] EXT4-fs (vdc): VFS: Can't find ext4 filesystem
[30349.313728] EXT4-fs (vdc): VFS: Can't find ext4 filesystem
[30475.686114] EXT3-fs (vdc): error: can't find ext3 filesystem on dev vdc.
[30479.162685] EXT2-fs (vdc): error: can't find an ext2 filesystem on dev vdc.