Teaming LACP slave not getting added - Loop callback failed with: Cannot allocate memory

Solution Verified - Updated -

Issue

  • I've configured 2 team lacp interfaces both consisting of 2 ports using NetworkManager.
    After reboot, every interface is up with only 1 port in it.

  • messages file or journal/journalctl reports a NetworkManager or teamd error like:

Loop callback failed with: Cannot allocate memory

Environment

  • Red Hat Enterprise Linux 8 with libteam-1.28-4.el8 or earlier
  • Red Hat Enterprise Linux 7 with libteam-1.27-6.el7_6.1.el7 or earlier
  • Teaming with LACP runner

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