[  521.291617] fab-br0: port 1(fbond) entered blocking state
[  521.291734] fab-br0: port 1(fbond) entered disabled state
[  521.291809] fbond: entered allmulticast mode
[  521.291924] fbond: entered promiscuous mode
[  521.306618] veth1-bond: entered promiscuous mode
[  521.306757] veth1-bond: entered allmulticast mode
[  521.306867] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.320884] veth2-bond: entered promiscuous mode
[  521.320989] veth2-bond: entered allmulticast mode
[  521.321063] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.341177] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.356024] fab-br0: port 1(fbond) entered blocking state
[  521.356094] fab-br0: port 1(fbond) entered forwarding state
[  521.437206] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.437346] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.437434] fbond: active interface up!
[  522.522088] fbond: left allmulticast mode
[  522.522168] veth1-bond: left allmulticast mode
[  522.522225] veth2-bond: left allmulticast mode
[  522.522277] fbond: left promiscuous mode
[  522.522321] veth1-bond: left promiscuous mode
[  522.522383] veth2-bond: left promiscuous mode
[  522.522458] fab-br0: port 1(fbond) entered disabled state
[  522.551710] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.551835] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.568381] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.568533] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.585289] fbond (unregistering): Released all slaves