在Ubuntu20.04上使用vernemq start报错

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!!!! WARNING: ulimit -n is 65535; 65536 is the recommended minimum.
!!!!
vmq_cluster_node_sup
vernemq failed to start within 15 seconds,
see the output of 'vernemq console' for more information.
If you want to wait longer, set the environment variable
WAIT_FOR_ERLANG to the number of seconds to wait.