I am running Kolla-12.0.0 with Openstack Victoria.  I have mostly successfully deployed masakari.  The instance monitoring works, I can set up segments in Horizon and via CLI.  But I can't get masakari-hostmonitor to start:

2021-12-02 16:50:44.999 7 INFO oslo.privsep.daemon [-] Running privsep helper: ['sudo', 'privsep-helper', '--config-file', '/etc/masakari-monitors/masakari
-monitors.conf', '--privsep_context', 'masakarimonitors.privsep.monitors_priv', '--privsep_sock_path', '/tmp/tmpf_65hc7m/privsep.sock']
2021-12-02 16:50:44.892 261 INFO oslo.privsep.daemon [-] privsep daemon starting
2021-12-02 16:50:44.898 261 INFO oslo.privsep.daemon [-] privsep process running with uid/gid: 0/0
2021-12-02 16:50:44.902 261 ERROR oslo.privsep.daemon [-] [Errno 1] Operation not permitted
Traceback (most recent call last):
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 593, in helper_main
    Daemon(channel, context).run()
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 403, in run
    self._drop_privs()
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 439, in _drop_privs
    capabilities.drop_all_caps_except(self.caps, self.caps, [])
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/capabilities.py", line 156, in drop_all_caps_except
    raise OSError(errno, os.strerror(errno))
PermissionError: [Errno 1] Operation not permitted
2021-12-02 16:50:45.001 7 DEBUG oslo_privsep.comm [-] EOF on privsep read channel _reader_main /var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep
/comm.py:149
2021-12-02 16:50:45.475 7 WARNING oslo.privsep.daemon [-] privsep log: [Errno 1] Operation not permitted
2021-12-02 16:50:45.565 7 INFO oslo.privsep.daemon [-] Spawned new privsep daemon via rootwrap
2021-12-02 16:50:45.565 7 DEBUG oslo.privsep.daemon [-] Accepted privsep connection to /tmp/tmpf_65hc7m/privsep.sock __init__ /var/lib/kolla/venv/lib/pytho
n3.8/site-packages/oslo_privsep/daemon.py:371
2021-12-02 16:50:45.467 267 INFO oslo.privsep.daemon [-] privsep daemon starting
2021-12-02 16:50:45.471 267 INFO oslo.privsep.daemon [-] privsep process running with uid/gid: 0/0
2021-12-02 16:50:45.474 267 ERROR oslo.privsep.daemon [-] [Errno 1] Operation not permitted
Traceback (most recent call last):
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 593, in helper_main
    Daemon(channel, context).run()
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 403, in run
    self._drop_privs()
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/daemon.py", line 439, in _drop_privs
    capabilities.drop_all_caps_except(self.caps, self.caps, [])
  File "/var/lib/kolla/venv/lib/python3.8/site-packages/oslo_privsep/capabilities.py", line 156, in drop_all_caps_except
    raise OSError(errno, os.strerror(errno))
PermissionError: [Errno 1] Operation not permitted

sudoers in the container appears to be set up correctly.  

Thanks

Chris