[  550.317030] fab-br0: port 1(fbond) entered blocking state
[  550.317100] fab-br0: port 1(fbond) entered disabled state
[  550.317154] fbond: entered allmulticast mode
[  550.317251] fbond: entered promiscuous mode
[  550.328956] veth1-bond: entered promiscuous mode
[  550.329045] veth1-bond: entered allmulticast mode
[  550.329118] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  550.339240] veth2-bond: entered promiscuous mode
[  550.339312] veth2-bond: entered allmulticast mode
[  550.339382] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  550.374990] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.375147] fab-br0: port 1(fbond) entered blocking state
[  550.375187] fab-br0: port 1(fbond) entered forwarding state
[  550.479091] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.479262] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  550.479327] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  550.479381] fbond: active interface up!
[  551.849857] fbond: left allmulticast mode
[  551.849932] veth1-bond: left allmulticast mode
[  551.850003] veth2-bond: left allmulticast mode
[  551.850076] fbond: left promiscuous mode
[  551.850112] veth1-bond: left promiscuous mode
[  551.850177] veth2-bond: left promiscuous mode
[  551.850248] fab-br0: port 1(fbond) entered disabled state
[  551.887616] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  551.887761] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  551.900143] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  551.900337] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  551.913067] fbond (unregistering): Released all slaves