VLAN over Bond causes a system hang on reboot with certain QLogic NICs

Solution In Progress - Updated -

Issue

  • System hangs on reboot when VLAN over bond is created on Qlogic cards.
  • reboot hangs on "unregister_netdevice: waiting for p2p2 to become free. Usage count = 2"

Environment

  • Red Hat Enterprise Linux 7.5
  • Kernel version kernel-3.10.0-862.el7
  • QLogic 25GE 2P QL41262 Adapter
  • Two physical interfaces bonded together
  • Tagged VLAN over bond

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