ethmonitor reports 'WARNING: Interface XXX does not exist' when monitoring master/parent interface which doesn't have an IP address.

Solution Verified - Updated -

Issue

The resource agent ethmonitor reports WARNING: Interface XXX does not exist when monitoring master/parent interface which doesn't have an IP address.

Environment

  • Red Hat Enterprise Linux Server 8, 9 (with the High Availability Add On)
  • resource-agents in RHEL7
  • resource-agents earlier than resource-agents-4.9.0-16.el8 in RHEL8

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