I am in trouble again:

2015-07-01 11:11:20,759 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] FINISH, SetVdsStatusVDSCommand, log id: 27123183
2015-07-01 11:11:20,872 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Host host-d.sisfron from cluster Sisfron was chosen as a proxy to execute Stop command on Host host-c.sisfron.
2015-07-01 11:11:20,873 INFO  [org.ovirt.engine.core.bll.FenceExecutor] (org.ovirt.thread.pool-8-thread-23) [4906a083] Using Host host-d.sisfron from cluster Sisfron as proxy to execute Stop command on Host host-c.sisfron
2015-07-01 11:11:20,892 INFO  [org.ovirt.engine.core.bll.VdsArchitectureHelper] (org.ovirt.thread.pool-8-thread-23) Failed to get architecture type from host information for host 'host-c.sisfron'. Using cluster 'Sisfron' architecture value instead.
2015-07-01 11:11:20,893 INFO  [org.ovirt.engine.core.bll.FenceExecutor] (org.ovirt.thread.pool-8-thread-23) [4906a083] Executing <Stop> Power Management command, Proxy Host:host-d.sisfron, Agent:ipmilan, Target Host:host-c.sisfron, Management IP:192.168.131.33, User:root, Options:privlvl=OPERATOR,lanplus,delay=10, Fencing policy:{ fencingEnabled=true, skipFencingIfSDActive=false, skipFencingIfConnectivityBroken=false, hostsWithBrokenConnectivityThreshold=50 }
2015-07-01 11:11:20,911 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] START, FenceVdsVDSCommand(HostName = host-d.sisfron, HostId = 72baa80b-8e83-46c8-9643-54632298b446, targetVdsId = 148a3ae2-8a1c-42b0-bf09-92156927ea40, action = Stop, ip = 192.168.131.33, port = , type = ipmilan, user = root, password = ******, options = 'privlvl=OPERATOR,lanplus,delay=10', policy = '{ fencingEnabled=true, skipFencingIfSDActive=false, skipFencingIfConnectivityBroken=false, hostsWithBrokenConnectivityThreshold=50 }'), log id: 3ad804ab
2015-07-01 11:12:10,998 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] FINISH, FenceVdsVDSCommand, return: Test Failed, [Powering off machine @ IPMI:192.168.131.33...Failed, ipmilan: Failed to connect after 20 seconds], log id: 3ad804ab
2015-07-01 11:12:10,998 WARN  [org.ovirt.engine.core.bll.FenceExecutor] (org.ovirt.thread.pool-8-thread-23) [4906a083] Fencing operation failed with proxy host 72baa80b-8e83-46c8-9643-54632298b446, trying another proxy...
2015-07-01 11:12:11,094 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Host host-e.sisfron from cluster Sisfron was chosen as a proxy to execute Stop command on Host host-c.sisfron.
2015-07-01 11:12:11,095 INFO  [org.ovirt.engine.core.bll.FenceExecutor] (org.ovirt.thread.pool-8-thread-23) [4906a083] Using Host host-e.sisfron from cluster Sisfron as proxy to execute Stop command on Host host-c.sisfron
2015-07-01 11:12:11,096 INFO  [org.ovirt.engine.core.bll.VdsArchitectureHelper] (org.ovirt.thread.pool-8-thread-23) Failed to get architecture type from host information for host 'host-c.sisfron'. Using cluster 'Sisfron' architecture value instead.
2015-07-01 11:12:11,097 INFO  [org.ovirt.engine.core.bll.FenceExecutor] (org.ovirt.thread.pool-8-thread-23) [4906a083] Executing <Stop> Power Management command, Proxy Host:host-e.sisfron, Agent:ipmilan, Target Host:host-c.sisfron, Management IP:192.168.131.33, User:root, Options:privlvl=OPERATOR,lanplus,delay=10, Fencing policy:{ fencingEnabled=true, skipFencingIfSDActive=false, skipFencingIfConnectivityBroken=false, hostsWithBrokenConnectivityThreshold=50 }
2015-07-01 11:12:11,117 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] START, FenceVdsVDSCommand(HostName = host-e.sisfron, HostId = 23729a9f-a687-42cf-b3e6-2504ea732d86, targetVdsId = 148a3ae2-8a1c-42b0-bf09-92156927ea40, action = Stop, ip = 192.168.131.33, port = , type = ipmilan, user = root, password = ******, options = 'privlvl=OPERATOR,lanplus,delay=10', policy = '{ fencingEnabled=true, skipFencingIfSDActive=false, skipFencingIfConnectivityBroken=false, hostsWithBrokenConnectivityThreshold=50 }'), log id: 6f8beb33
2015-07-01 11:13:01,204 INFO  [org.ovirt.engine.core.vdsbroker.vdsbroker.FenceVdsVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] FINISH, FenceVdsVDSCommand, return: Test Failed, [Powering off machine @ IPMI:192.168.131.33...Failed, ipmilan: Failed to connect after 20 seconds], log id: 6f8beb33
2015-07-01 11:13:01,204 ERROR [org.ovirt.engine.core.bll.StopVdsCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] Failed to stop VDS using Primary Power Management agent
2015-07-01 11:13:01,227 WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Host host-c.sisfron became non responsive. It has no power management configured. Please check the host status, manually reboot it, and click "Confirm Host Has Been Rebooted"
2015-07-01 11:13:01,247 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] START, SetVdsStatusVDSCommand(HostName = host-c.sisfron, HostId = 148a3ae2-8a1c-42b0-bf09-92156927ea40, status=NonResponsive, nonOperationalReason=NONE, stopSpmFailureLogged=false), log id: 1a96fb96
2015-07-01 11:13:01,249 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] FINISH, SetVdsStatusVDSCommand, log id: 1a96fb96
2015-07-01 11:13:01,273 WARN  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: null, Call Stack: null, Custom Event ID: -1, Message: Failed to power fence host host-c.sisfron. Please check the host status and it's power management settings, and then manually reboot it and click "Confirm Host Has Been Rebooted"
2015-07-01 11:13:01,274 ERROR [org.ovirt.engine.core.bll.StopVdsCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] Command org.ovirt.engine.core.bll.StopVdsCommand throw Vdc Bll exception. With error message VdcBLLException: VDS_FENCE_OPERATION_FAILED (Failed with error VDS_FENCE_OPERATION_FAILED and code 5021)
2015-07-01 11:13:01,277 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: 4906a083, Job ID: 91c0393b-61fb-4559-8df7-082834a72cff, Call Stack: null, Custom Event ID: -1, Message: Failed to stop Host host-c.sisfron, (User: null@N/A).
2015-07-01 11:13:01,287 WARN  [org.ovirt.engine.core.bll.VdsNotRespondingTreatmentCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] Restart host action failed, updating host 148a3ae2-8a1c-42b0-bf09-92156927ea40 to NonResponsive
2015-07-01 11:13:01,306 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] START, SetVdsStatusVDSCommand(HostName = host-c.sisfron, HostId = 148a3ae2-8a1c-42b0-bf09-92156927ea40, status=NonResponsive, nonOperationalReason=NONE, stopSpmFailureLogged=false), log id: 7d593ef3
2015-07-01 11:13:01,308 INFO  [org.ovirt.engine.core.vdsbroker.SetVdsStatusVDSCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] FINISH, SetVdsStatusVDSCommand, log id: 7d593ef3
2015-07-01 11:13:01,310 INFO  [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (org.ovirt.thread.pool-8-thread-23) [4906a083] Correlation ID: 160b5809, Job ID: 47210bb5-7772-4202-937b-81d1857f0709, Call Stack: null, Custom Event ID: -1, Message: Host host-c.sisfron is rebooting.
2015-07-01 11:13:01,313 INFO  [org.ovirt.engine.core.bll.VdsNotRespondingTreatmentCommand] (org.ovirt.thread.pool-8-thread-23) [4906a083] Lock freed to object EngineLock [exclusiveLocks= key: 148a3ae2-8a1c-42b0-bf09-92156927ea40 value: VDS_FENCE
, sharedLocks= ]
2015-07-01 11:13:03,462 INFO  [org.ovirt.vdsm.jsonrpc.client.reactors.ReactorClient] (SSL Stomp Reactor) Connecting to /192.168.131.23
2015-07-01 11:13:03,476 ERROR [org.ovirt.vdsm.jsonrpc.client.reactors.Reactor] (SSL Stomp Reactor) Unable to process messages
2015-07-01 11:13:18,755 INFO  [org.ovirt.engine.core.bll.storage.FenceVdsManualyCommand] (ajp--127.0.0.1-8702-9) [3835b1fb] Lock Acquired to object EngineLock [exclusiveLocks= key: 148a3ae2-8a1c-42b0-bf09-92156927ea40 value: VDS_FENCE
, sharedLocks= ]
2015-07-01 11:13:18,756 INFO  [org.ovirt.engine.core.bll.storage.FenceVdsManualyCommand] (org.ovirt.thread.pool-8-thread-18) [3835b1fb] Running command: FenceVdsManualyCommand internal: false. Entities affected :  ID: 148a3ae2-8a1c-42b0-bf09-92156927ea40 Type: VDSAction group MANIPULATE_HOST with role type ADMIN
2015-07-01 11:13:18,816 INFO  [org.ovirt.engine.core.bll.ClearNonResponsiveVdsVmsCommand] (org.ovirt.thread.pool-8-thread-18) [5e48b81d] Running command: ClearNonResponsiveVdsVmsCommand internal: true. Entities affected :  ID: 148a3ae2-8a1c-42b0-bf09-92156927ea40 Type: VDS
2015-07-01 11:13:18,875 INFO  [org.ovirt.engine.core.vdsbroker.UpdateVdsVMsClearedVDSCommand] (org.ovirt.thread.pool-8-thread-18) [5e48b81d] START, UpdateVdsVMsClearedVDSCommand(HostName = host-c.sisfron, HostId = 148a3ae2-8a1c-42b0-bf09-92156927ea40), log id: 4dd83ef1
[root@hypervisor ovirt-engine]#