[  519.928379] fab-br0: port 1(fbond) entered blocking state
[  519.928476] fab-br0: port 1(fbond) entered disabled state
[  519.928537] fbond: entered allmulticast mode
[  519.928637] fbond: entered promiscuous mode
[  519.938386] veth1-bond: entered promiscuous mode
[  519.938482] veth1-bond: entered allmulticast mode
[  519.938560] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  519.948808] veth2-bond: entered promiscuous mode
[  519.948877] veth2-bond: entered allmulticast mode
[  519.948945] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  519.990202] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.990378] fab-br0: port 1(fbond) entered blocking state
[  519.990436] fab-br0: port 1(fbond) entered forwarding state
[  520.087218] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.087367] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.087449] fbond: active interface up!
[  521.207332] fbond: left allmulticast mode
[  521.207388] veth1-bond: left allmulticast mode
[  521.207443] veth2-bond: left allmulticast mode
[  521.207492] fbond: left promiscuous mode
[  521.207530] veth1-bond: left promiscuous mode
[  521.207586] veth2-bond: left promiscuous mode
[  521.207648] fab-br0: port 1(fbond) entered disabled state
[  521.237259] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.237372] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.247326] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.247440] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.255267] fbond (unregistering): Released all slaves