ironic conductor logs

2014-09-12 12:35:17.529 7790 ERROR ironic.drivers.modules.deploy_utils [-] Failed to detect root device UUID.
2014-09-12 12:35:17.531 7790 ERROR ironic.drivers.modules.deploy_utils [-] Deploy to address 192.168.10.30 failed.
2014-09-12 12:35:17.532 7790 ERROR ironic.drivers.modules.deploy_utils [-] Command: sudo ironic-rootwrap /etc/ironic/rootwrap.conf blkid -s UUID -o value /dev/disk/by-path/ip-192.168.10.30:3260-iscsi-iqn-266ddb3e-1673-4b98-a178-81e1f1f9f482-lun-1-part1
2014-09-12 12:35:17.532 7790 ERROR ironic.drivers.modules.deploy_utils [-] StdOut: ''
2014-09-12 12:35:17.533 7790 ERROR ironic.drivers.modules.deploy_utils [-] StdErr: ''
2014-09-12 12:35:18.266 7790 ERROR ironic.drivers.modules.pxe [-] PXE deploy failed for instance a1b8b802-99b9-4329-b2e7-7d8e4af4ef3b. Error: Unexpected error while running command.
Command: sudo ironic-rootwrap /etc/ironic/rootwrap.conf blkid -s UUID -o value /dev/disk/by-path/ip-192.168.10.30:3260-iscsi-iqn-266ddb3e-1673-4b98-a178-81e1f1f9f482-lun-1-part1
Exit code: 2
Stdout: ''
Stderr: ''