[  749.846292] fab-br0: port 1(fbond) entered blocking state
[  749.846372] fab-br0: port 1(fbond) entered disabled state
[  749.846435] fbond: entered allmulticast mode
[  749.846551] fbond: entered promiscuous mode
[  749.857366] veth1-bond: entered promiscuous mode
[  749.857429] veth1-bond: entered allmulticast mode
[  749.857489] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  749.868200] veth2-bond: entered promiscuous mode
[  749.868263] veth2-bond: entered allmulticast mode
[  749.868311] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  749.901975] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  749.902136] fab-br0: port 1(fbond) entered blocking state
[  749.902188] fab-br0: port 1(fbond) entered forwarding state
[  750.004973] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  750.005154] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  750.005223] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  750.005283] fbond: active interface up!
[  751.289008] fbond: left allmulticast mode
[  751.289121] veth1-bond: left allmulticast mode
[  751.289178] veth2-bond: left allmulticast mode
[  751.289235] fbond: left promiscuous mode
[  751.289279] veth1-bond: left promiscuous mode
[  751.289347] veth2-bond: left promiscuous mode
[  751.289428] fab-br0: port 1(fbond) entered disabled state
[  751.333234] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  751.333350] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  751.345118] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  751.345276] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  751.353061] fbond (unregistering): Released all slaves