[  536.966274] fab-br0: port 1(fbond) entered blocking state
[  536.966340] fab-br0: port 1(fbond) entered disabled state
[  536.966463] fbond: entered allmulticast mode
[  536.966560] fbond: entered promiscuous mode
[  536.979900] veth1-bond: entered promiscuous mode
[  536.980007] veth1-bond: entered allmulticast mode
[  536.980093] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  536.991735] veth2-bond: entered promiscuous mode
[  536.991859] veth2-bond: entered allmulticast mode
[  536.991942] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.025582] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.025775] fab-br0: port 1(fbond) entered blocking state
[  537.025828] fab-br0: port 1(fbond) entered forwarding state
[  537.121592] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.121712] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.121791] fbond: active interface up!
[  538.261194] fbond: left allmulticast mode
[  538.261273] veth1-bond: left allmulticast mode
[  538.261343] veth2-bond: left allmulticast mode
[  538.261395] fbond: left promiscuous mode
[  538.261438] veth1-bond: left promiscuous mode
[  538.261495] veth2-bond: left promiscuous mode
[  538.261582] fab-br0: port 1(fbond) entered disabled state
[  538.305396] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  538.305501] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  538.314752] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  538.314888] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  538.323625] fbond (unregistering): Released all slaves