[  506.323142] fab-br0: port 1(fbond) entered blocking state
[  506.323210] fab-br0: port 1(fbond) entered disabled state
[  506.323255] fbond: entered allmulticast mode
[  506.323336] fbond: entered promiscuous mode
[  506.341369] veth1-bond: entered promiscuous mode
[  506.341430] veth1-bond: entered allmulticast mode
[  506.341493] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  506.358719] veth2-bond: entered promiscuous mode
[  506.358798] veth2-bond: entered allmulticast mode
[  506.358854] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  506.467671] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  506.467829] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  506.467929] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  506.468020] fbond: active interface up!
[  506.468099] fab-br0: port 1(fbond) entered blocking state
[  506.468164] fab-br0: port 1(fbond) entered forwarding state
[  507.925988] fbond: left allmulticast mode
[  507.926053] veth1-bond: left allmulticast mode
[  507.926097] veth2-bond: left allmulticast mode
[  507.926145] fbond: left promiscuous mode
[  507.926182] veth1-bond: left promiscuous mode
[  507.926226] veth2-bond: left promiscuous mode
[  507.926285] fab-br0: port 1(fbond) entered disabled state
[  507.961925] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  507.962034] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  507.980855] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  507.981012] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  507.990764] fbond (unregistering): Released all slaves