[  750.427839] fab-br0: port 1(fbond) entered blocking state
[  750.427943] fab-br0: port 1(fbond) entered disabled state
[  750.428022] fbond: entered allmulticast mode
[  750.428174] fbond: entered promiscuous mode
[  750.443829] veth1-bond: entered promiscuous mode
[  750.443923] veth1-bond: entered allmulticast mode
[  750.444021] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  750.455853] veth2-bond: entered promiscuous mode
[  750.455928] veth2-bond: entered allmulticast mode
[  750.455987] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  750.483766] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  750.487210] fab-br0: port 1(fbond) entered blocking state
[  750.487326] fab-br0: port 1(fbond) entered forwarding state
[  750.579813] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  750.579906] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  750.579969] fbond: active interface up!
[  751.742482] fbond: left allmulticast mode
[  751.742571] veth1-bond: left allmulticast mode
[  751.742628] veth2-bond: left allmulticast mode
[  751.742685] fbond: left promiscuous mode
[  751.742735] veth1-bond: left promiscuous mode
[  751.742811] veth2-bond: left promiscuous mode
[  751.742878] fab-br0: port 1(fbond) entered disabled state
[  751.776860] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  751.776973] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  751.782855] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  751.782985] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  751.787819] fbond (unregistering): Released all slaves