[  537.172646] fab-br0: port 1(fbond) entered blocking state
[  537.172729] fab-br0: port 1(fbond) entered disabled state
[  537.172802] fbond: entered allmulticast mode
[  537.172943] fbond: entered promiscuous mode
[  537.182320] veth1-bond: entered promiscuous mode
[  537.182370] veth1-bond: entered allmulticast mode
[  537.182422] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  537.192979] veth2-bond: entered promiscuous mode
[  537.193037] veth2-bond: entered allmulticast mode
[  537.193088] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  537.237844] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.237990] fab-br0: port 1(fbond) entered blocking state
[  537.238032] fab-br0: port 1(fbond) entered forwarding state
[  537.340933] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  537.341109] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  537.341186] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  537.341250] fbond: active interface up!
[  538.726579] fbond: left allmulticast mode
[  538.726659] veth1-bond: left allmulticast mode
[  538.726710] veth2-bond: left allmulticast mode
[  538.726760] fbond: left promiscuous mode
[  538.726798] veth1-bond: left promiscuous mode
[  538.726864] veth2-bond: left promiscuous mode
[  538.726935] fab-br0: port 1(fbond) entered disabled state
[  538.760540] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  538.760627] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  538.777977] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  538.778104] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  538.793929] fbond (unregistering): Released all slaves