add kill vm validate when gateway is down
add kill vm validate when gateway is down

live4thee/zstack-utility,zstackio/zstack-utility,live4thee/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility,live4thee/zstack-utility