[  537.286449] fab-br0: port 1(fbond) entered blocking state
[  537.286516] fab-br0: port 1(fbond) entered disabled state
[  537.286577] fbond: entered allmulticast mode
[  537.286689] fbond: entered promiscuous mode
[  537.300549] veth1-bond: entered promiscuous mode
[  537.300610] veth1-bond: entered allmulticast mode
[  537.300670] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  537.311836] veth2-bond: entered promiscuous mode
[  537.311906] veth2-bond: entered allmulticast mode
[  537.311966] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.346904] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.347054] fab-br0: port 1(fbond) entered blocking state
[  537.347096] fab-br0: port 1(fbond) entered forwarding state
[  537.441967] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.442062] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.442120] fbond: active interface up!
[  538.594602] fbond: left allmulticast mode
[  538.594650] veth1-bond: left allmulticast mode
[  538.594688] veth2-bond: left allmulticast mode
[  538.594725] fbond: left promiscuous mode
[  538.594753] veth1-bond: left promiscuous mode
[  538.594795] veth2-bond: left promiscuous mode
[  538.594846] fab-br0: port 1(fbond) entered disabled state
[  538.624066] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  538.624203] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  538.630007] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  538.630123] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  538.635936] fbond (unregistering): Released all slaves