Stange issue, few VM's have the below logs and were crashed.
Sep 22 07:00:26.552: vmx| GuestRpc: app toolbox's second ping timeout; assuming app is down
Sep 22 07:05:22.730: vmx| GuestRpcSendTimedOut: message to toolbox timed out.
Sep 22 07:05:37.733: vmx| GuestRpcSendTimedOut: message to toolbox timed out.
Sep 22 07:05:37.733: vmx| GuestRpc: app toolbox's second ping timeout; assuming app is down
Sep 22 07:05:43.514: vcpu-0| BUSLOGIC: Hard reset 0x6f640
Sep 22 07:05:45.282: vcpu-0| BUSLOGIC: Bus reset 0x6f640 (14 cif)
Sep 22 07:05:45.283: vcpu-0| BUSLOGIC: Sync reset target 0, handle 8426
Sep 22 07:05:45.284: vcpu-0| BUSLOGIC: Adapter reset complete 0x6f640
Sep 22 07:05:45.286: vcpu-0| BUSLOGIC: Init ext-mbox, count 211 addr 0xa310004
Sep 22 07:05:45.286: vcpu-0| BUSLOGIC: Enable aggressive round robin mode (1)
Sep 22 07:05:45.287: vcpu-0| BUSLOGIC: Set 64 LUN CCB format (1)
Sep 22 07:06:37.734: vmx| GuestRpcSendTimedOut: message to toolbox timed out.
Sep 22 07:10:07.877: vmx| GuestRpcSendTimedOut: message to toolbox timed out.
Sep 22 07:10:12.671: vcpu-0| BUSLOGIC: Hard reset 0x6f640
any Idea??