[  521.194547] fab-br0: port 1(fbond) entered blocking state
[  521.194639] fab-br0: port 1(fbond) entered disabled state
[  521.194743] fbond: entered allmulticast mode
[  521.194914] fbond: entered promiscuous mode
[  521.207875] veth1-bond: entered promiscuous mode
[  521.207954] veth1-bond: entered allmulticast mode
[  521.208040] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.219469] veth2-bond: entered promiscuous mode
[  521.219543] veth2-bond: entered allmulticast mode
[  521.219611] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.238036] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.254301] fab-br0: port 1(fbond) entered blocking state
[  521.254385] fab-br0: port 1(fbond) entered forwarding state
[  521.341062] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.341261] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.341343] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.341468] fbond: active interface up!
[  522.815418] fbond: left allmulticast mode
[  522.815502] veth1-bond: left allmulticast mode
[  522.815556] veth2-bond: left allmulticast mode
[  522.815615] fbond: left promiscuous mode
[  522.815663] veth1-bond: left promiscuous mode
[  522.815733] veth2-bond: left promiscuous mode
[  522.815796] fab-br0: port 1(fbond) entered disabled state
[  522.857046] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.857169] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.873303] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.873435] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.879122] fbond (unregistering): Released all slaves