CoreOS drive format logs

-- Logs begin at Sat 2015-06-06 23:15:50 UTC, end at Fri 2015-06-26 13:49:16 UTC. --
Jun 26 04:17:00 myhost01.example.local systemd[1]: Starting Format ephemeral drive for /var/lib/docker...
Jun 26 04:17:01 myhost01.example.local wipefs[514]: offset               type
Jun 26 04:17:01 myhost01.example.local wipefs[514]: ----------------------------------------------------------------
Jun 26 04:17:01 myhost01.example.local wipefs[514]: 0x438                ext4   [filesystem]
Jun 26 04:17:01 myhost01.example.local wipefs[514]: UUID:  7c397782-fbbe-4e02-aa08-19a95126c169
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: mke2fs 1.42.10 (18-May-2014)
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: Creating filesystem with 26214144 4k blocks and 6553600 inodes
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: Filesystem UUID: fc44cdb2-def2-489a-868e-58ed47e1cc53
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: Superblock backups stored on blocks:
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: 4096000, 7962624, 11239424, 20480000, 23887872
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: [57B blob data]
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: [54B blob data]
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: Creating journal (32768 blocks): done
Jun 26 04:17:03 myhost01.example.local mkfs.ext4[538]: [91B blob data]
Jun 26 04:17:03 myhost01.example.local systemd[1]: Started Format ephemeral drive for /var/lib/docker.
Jun 26 04:17:12 myhost01.example.local systemd[1]: Starting Format ephemeral drive for /var/lib/docker...
Jun 26 04:17:12 myhost01.example.local wipefs[714]: offset               type
Jun 26 04:17:12 myhost01.example.local wipefs[714]: ----------------------------------------------------------------
Jun 26 04:17:12 myhost01.example.local wipefs[714]: 0x438                ext4   [filesystem]
Jun 26 04:17:12 myhost01.example.local wipefs[714]: UUID:  fc44cdb2-def2-489a-868e-58ed47e1cc53
Jun 26 04:17:12 myhost01.example.local mkfs.ext4[716]: mke2fs 1.42.10 (18-May-2014)
Jun 26 04:17:12 myhost01.example.local systemd[1]: format-var-lib-docker.service: main process exited, code=exited, status=1/FAILURE
Jun 26 04:17:12 myhost01.example.local mkfs.ext4[716]: /dev/sdb1 is mounted; will not make a filesystem here!
Jun 26 04:17:12 myhost01.example.local systemd[1]: Failed to start Format ephemeral drive for /var/lib/docker.
Jun 26 04:17:12 myhost01.example.local systemd[1]: Unit format-var-lib-docker.service entered failed state.
Jun 26 04:17:12 myhost01.example.local systemd[1]: format-var-lib-docker.service failed.