RHEL7.1 Networkmanager: vlan bond device gets random MAC address

Solution Verified - Updated -


  • When assigning a vlan device off a bond device the Vlan device does not inherit the bonding devices MAC address.
  • We are now also noticing that when the incorrect MAC is sending all the traffic, the ceph cluster throughput drops significantly.


  • Red Hat Enterprise Linux 7.1
    • kernel 3.10.0-229.14.1.el7
  • Bonding driver
  • Network Manager
  • Ceph

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