[  521.152905] fab-br0: port 1(fbond) entered blocking state
[  521.153737] fab-br0: port 1(fbond) entered disabled state
[  521.153895] fbond: entered allmulticast mode
[  521.154032] fbond: entered promiscuous mode
[  521.194294] veth1-bond: entered promiscuous mode
[  521.194764] veth1-bond: entered allmulticast mode
[  521.195044] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.226285] veth2-bond: entered promiscuous mode
[  521.226369] veth2-bond: entered allmulticast mode
[  521.226431] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.319586] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.320224] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.320346] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.320434] fbond: active interface up!
[  521.320524] fab-br0: port 1(fbond) entered blocking state
[  521.320585] fab-br0: port 1(fbond) entered forwarding state
[  523.796141] fbond: left allmulticast mode
[  523.796221] veth1-bond: left allmulticast mode
[  523.796268] veth2-bond: left allmulticast mode
[  523.796318] fbond: left promiscuous mode
[  523.796358] veth1-bond: left promiscuous mode
[  523.796432] veth2-bond: left promiscuous mode
[  523.796503] fab-br0: port 1(fbond) entered disabled state
[  523.847003] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  523.847261] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  523.860852] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  523.861091] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  523.866770] fbond (unregistering): Released all slaves