[  550.525782] fab-br0: port 1(fbond) entered blocking state
[  550.525863] fab-br0: port 1(fbond) entered disabled state
[  550.525934] fbond: entered allmulticast mode
[  550.526044] fbond: entered promiscuous mode
[  550.568572] veth1-bond: entered promiscuous mode
[  550.568638] veth1-bond: entered allmulticast mode
[  550.568825] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  550.583377] veth2-bond: entered promiscuous mode
[  550.583472] veth2-bond: entered allmulticast mode
[  550.583537] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  550.698470] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  550.698656] fab-br0: port 1(fbond) entered blocking state
[  550.698743] fab-br0: port 1(fbond) entered forwarding state
[  550.778512] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  550.778647] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  550.778741] fbond: active interface up!
[  552.088993] fbond: left allmulticast mode
[  552.089055] veth1-bond: left allmulticast mode
[  552.089097] veth2-bond: left allmulticast mode
[  552.089137] fbond: left promiscuous mode
[  552.089165] veth1-bond: left promiscuous mode
[  552.089213] veth2-bond: left promiscuous mode
[  552.089270] fab-br0: port 1(fbond) entered disabled state
[  552.126238] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  552.126356] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  552.150737] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  552.150908] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  552.156607] fbond (unregistering): Released all slaves