EXT4-fs (loop1): ext4_check_descriptors: Inode bitmap for group 0 overlaps superblock EXT4-fs (loop1): ext4_check_descriptors: Inode table for group 0 overlaps superblock EXT4-fs: failed to create workqueue EXT4-fs (loop1): mount failed unregister_netdevice: waiting for lo to become free. Usage count = 3