ERROR: node with name “rabbit“ already running on

root@bmd-miot-c:~# sudo rabbitmq-server restart
 ERROR: node with name "rabbit" already running on "bmd-miot-c"
 root@bmd-miot-c:~# ps aux|grep erl
 rabbitmq  3033  0.0  0.0  26856   204 ?        S    02:51   0:00 /usr/lib/erlang/erts-9.2/bin/epmd -daemon
 rabbitmq  4919  1.2  1.7 3231696 70892 ?       Sl   03:14   0:04 /usr/lib/erlang/erts-9.2/bin/beam.smp -W w -A 64 -P 1048576 -t 5000000 -stbt db -zdbbl 32000 -K true -B i -- -root /usr/lib/erlang -progname erl -- -home /var/lib/rabbitmq -- -pa /usr/lib/rabbitmq/lib/rabbitmq_server-3.6.10/ebin -noshell -noinput -s rabbit boot -sname rabbit@bmd-miot-c -boot start_sasl -kernel inet_default_connect_options [{nodelay,true}] -sasl errlog_type error -sasl sasl_error_logger false -rabbit error_logger {file,"/var/log/rabbitmq/[email protected]"} -rabbit sasl_error_logger {file,"/var/log/rabbitmq/[email protected]"} -rabbit enabled_plugins_file "/etc/rabbitmq/enabled_plugins" -rabbit plugins_dir "/usr/lib/rabbitmq/plugins:/usr/lib/rabbitmq/lib/rabbitmq_server-3.6.10/plugins" -rabbit plugins_expand_dir "/var/lib/rabbitmq/mnesia/rabbit@bmd-miot-c-plugins-expand" -os_mon start_cpu_sup false -os_mon start_disksup false -os_mon start_memsup false -mnesia dir "/var/lib/rabbitmq/mnesia/rabbit@bmd-miot-c" -kernel inet_dist_listen_min 25672 -kernel inet_dist_listen_max 25672 stop
 rabbitmq  5031  0.0  0.0   4520  1588 ?        Ss   03:14   0:00 erl_child_setup 1024
 root      5923  0.0  0.0  13136  1096 pts/0    S+   03:20   0:00 grep --color=auto erl
 root@bmd-miot-c:~# kill -9 4919
 root@bmd-miot-c:~#  rabbitmq-server              RabbitMQ 3.6.10. Copyright (C) 2007-2017 Pivotal Software, Inc.
   ##  ##      Licensed under the MPL.  See http://www.rabbitmq.com/
   ##  ##
   ##########  Logs: /var/log/rabbitmq/[email protected]
   ######  ##        /var/log/rabbitmq/[email protected]
   ##########
               Starting broker...
  completed with 6 plugins.