NetworkManager fails to bring up with a bond with the error: "Master connection not found or invalid"

Solution Verified - Updated -

Issue

  • NetworkManager is unable to bring up a bond.
  • The error message in the systemd journal or /var/log/messages is similar to the following:

    NetworkManager[774]: <info>  [1607727375.9650] audit: op="connection-activate" uuid="5fb06bd0-0bb0-7ffb-45f1-d6edd65f3e03" name="System eth0" pid=3701 uid=0 result="fail" reason="Can not find a master for System eth0: Master connection not found or invalid"
    network: Bringing up interface eth0:  Error: Connection activation failed: Can not find a master for System eth0: Master connection not found or invalid
    

Environment

  • Red Hat Enterprise Linux 7

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