pod CrashLoopBackOff，logs -f如下：
WARNING: Default (insecure) Erlang cookie is in use.
WARNING: Configure node.cookie in /opt/emqx/etc/emqx.conf or override from environment variable EMQX_NODE__COOKIE
WARNING: NOTE: Use the same cookie for all nodes in the cluster.
EMQX_RPC__PORT_DISCOVERY [rpc.port_discovery]: manual
EMQX_NODE__NAME [node.name]: emqx@10.32.34.214
Listener ssl:default on 0.0.0.0:8883 started.
Listener tcp:default on 0.0.0.0:1883 started.
Listener ws:default on 0.0.0.0:8083 started.
Listener wss:default on 0.0.0.0:8084 started.
Listener http:dashboard on :18083 started.
EMQX 5.3.0 is running now!
Received terminate signal, shutting down now
Stop listener http:dashboard on :18083 successfully.
Listener ssl:default on 0.0.0.0:8883 stopped.
Listener tcp:default on 0.0.0.0:1883 stopped.
Listener ws:default on 0.0.0.0:8083 stopped.
Listener wss:default on 0.0.0.0:8084 stopped.