unregister_netdevice: waiting for lo to become free. Usage count = 0
loop3: detected capacity change from 0 to 6
FAT-fs (loop3): invalid media value (0x00)
FAT-fs (loop3): Can't find a valid FAT filesystem
loop6: detected capacity change from 0 to 81
loop6: detected capacity change from 0 to 81
I/O error, dev loop3, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 2
EXT4-fs (loop3): unable to read superblock