on kolla ansible masakari-hostmonitor container on wallaby version I have  this error :

2022-06-05 23:30:51.880 7 WARNING masakarimonitors.hostmonitor.host_handler.handle_host [-] Corosync communication using 'eth0' is failed.: oslo_concurrency.processutils.ProcessExecutionError: Unexpected error while running command.
2022-06-05 23:30:51.881 7 ERROR masakarimonitors.hostmonitor.host_handler.handle_host [-] Corosync communication is failed.
2022-06-05 23:31:22.042 7 WARNING masakarimonitors.hostmonitor.host_handler.handle_host [-] Exception caught: Unexpected error while running command.
Command: crmadmin -S myhostname
Exit code: 102
Stdout: ''
Stderr: 'error: Could not connect to controller: Connection refused\nerror: Command failed: Connection refused\n': oslo_concurrency.processutils.ProcessExecutionError: Unexpected error while running command.

Could you please help me ?