add another ip hijack check before install rabbitmq to avoid of possible ip hijack is not found in first time.
add another ip hijack check before install rabbitmq to avoid of possible ip hijack is not found in first time.

zstackorg/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility,live4thee/zstack-utility,zstackorg/zstack-utility,mingjian2049/zstack-utility,zstackorg/zstack-utility,mrwangxc/zstack-utility,live4thee/zstack-utility,mrwangxc/zstack-utility,zstackio/zstack-utility,mrwangxc/zstack-utility,live4thee/zstack-utility,mingjian2049/zstack-utility,zstackio/zstack-utility