From the log:
2013-08-18 14:16:11,995 unit:keystone/3: unit.hook.api INFO: FATAL ERROR: ERROR: Config option has no paramter: vip
From the log:
2013-08-18 14:16:11,995 unit:keystone/3: unit.hook.api INFO: FATAL ERROR: ERROR: Config option has no paramter: vip