[  538.846001] fab-br0: port 1(fbond) entered blocking state
[  538.846061] fab-br0: port 1(fbond) entered disabled state
[  538.846115] fbond: entered allmulticast mode
[  538.846208] fbond: entered promiscuous mode
[  538.858746] veth1-bond: entered promiscuous mode
[  538.858842] veth1-bond: entered allmulticast mode
[  538.858930] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  538.867903] veth2-bond: entered promiscuous mode
[  538.867978] veth2-bond: entered allmulticast mode
[  538.868038] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  538.902655] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  538.902825] fab-br0: port 1(fbond) entered blocking state
[  538.902906] fab-br0: port 1(fbond) entered forwarding state
[  539.006679] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  539.006843] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  539.006924] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  539.006997] fbond: active interface up!
[  540.232814] fbond: left allmulticast mode
[  540.232866] veth1-bond: left allmulticast mode
[  540.232904] veth2-bond: left allmulticast mode
[  540.232945] fbond: left promiscuous mode
[  540.232973] veth1-bond: left promiscuous mode
[  540.233022] veth2-bond: left promiscuous mode
[  540.233080] fab-br0: port 1(fbond) entered disabled state
[  540.271785] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  540.271891] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  540.289754] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  540.289889] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  540.305707] fbond (unregistering): Released all slaves