[  520.938722] fab-br0: port 1(fbond) entered blocking state
[  520.938786] fab-br0: port 1(fbond) entered disabled state
[  520.938839] fbond: entered allmulticast mode
[  520.938923] fbond: entered promiscuous mode
[  520.954101] veth1-bond: entered promiscuous mode
[  520.954198] veth1-bond: entered allmulticast mode
[  520.954281] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.966023] veth2-bond: entered promiscuous mode
[  520.966108] veth2-bond: entered allmulticast mode
[  520.966185] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.003996] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.004167] fab-br0: port 1(fbond) entered blocking state
[  521.004211] fab-br0: port 1(fbond) entered forwarding state
[  521.101029] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.101193] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.101293] fbond: active interface up!
[  522.253355] fbond: left allmulticast mode
[  522.253415] veth1-bond: left allmulticast mode
[  522.253473] veth2-bond: left allmulticast mode
[  522.253531] fbond: left promiscuous mode
[  522.253573] veth1-bond: left promiscuous mode
[  522.253633] veth2-bond: left promiscuous mode
[  522.253702] fab-br0: port 1(fbond) entered disabled state
[  522.288507] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.288638] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.307191] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.307322] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.324098] fbond (unregistering): Released all slaves