Hi, I have this in my computes nodes; masakarimonitors-instancemonitor won't start 2022-10-25 14:37:27.354 7 INFO masakarimonitors.service [-] Starting masakarimonitors-instancemonitor 2022-10-25 14:37:27.357 7 WARNING masakarimonitors.instancemonitor.instance [-] Error from libvirt : authentication failed: Failed to start SASL negotiation: -4 (SASL(-4): no mechanism available: No worthy mechs found) *2022-10-25 14:37:27.357 7 ERROR oslo_service.service [-] Error starting thread.: libvirt.libvirtError: authentication failed: Failed to start SASL negotiation: -4 (SASL(-4): no mechanism available: No worthy mechs found) 2022-10-25 14:37:27.357 7 ERROR oslo_service.service Traceback (most recent call last): 2022-10-25 14:37:27.357 7 ERROR oslo_service.service File "/var/lib/kolla/venv/lib/python3.6/site-packages/oslo_service/service.py"* , line 806, in run_service 2022-10-25 14:37:27.357 7 ERROR oslo_service.service service.start() 2022-10-25 14:37:27.357 7 ERROR oslo_service.service File "/var/lib/kolla/venv/lib/python3.6/site-packages/masakarimonitors/service .py", line 62, in start 2022-10-25 14:37:27.357 7 ERROR oslo_service.service self.manager.main() 2022-10-25 14:37:27.357 7 ERROR oslo_service.service File "/var/lib/kolla/venv/lib/python3.6/site-packages/masakarimonitors/instanc emonitor/instance.py", line 166, in main 2022-10-25 14:37:27.357 7 ERROR oslo_service.service self._virt_event(uri) 2022-10-25 14:37:27.357 7 ERROR oslo_service.service File "/var/lib/kolla/venv/lib/python3.6/site-packages/masakarimonitors/instanc emonitor/instance.py", line 128, in _virt_event 2022-10-25 14:37:27.357 7 ERROR oslo_service.service vc = libvirt.openReadOnly(uri) 2022-10-25 14:37:27.357 7 ERROR oslo_service.service File "/usr/lib64/python3.6/site-packages/libvirt.py", line 350, in openReadOnl y 2022-10-25 14:37:27.357 7 ERROR oslo_service.service raise libvirtError('virConnectOpenReadOnly() failed') 2022-10-25 14:37:27.357 7 ERROR oslo_service.service libvirt.libvirtError: authentication failed: Failed to start SASL negotiation: - 4 (SASL(-4): no mechanism available: No worthy mechs found) 2022-10-25 14:37:27.357 7 ERROR oslo_service.service 2022-10-25 14:37:27.359 7 INFO masakarimonitors.service [-] Stopping masakarimonitors-instancemonitor I have verified the auth.conf file on both containers the password is the same. In the other hand, in /var/log/kolla/libvirt/libvirtd.log I have this : 2022-10-25 13:29:16.911+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:30:18.226+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:31:19.516+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:32:20.817+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:33:22.066+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:34:23.359+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error 2022-10-25 13:35:24.740+0000: 1391031: error : virNetSocketReadWire:1792 : End of file while reading data: Input/output error Any ideas? Regards.