[  749.408252] fab-br0: port 1(fbond) entered blocking state
[  749.408323] fab-br0: port 1(fbond) entered disabled state
[  749.408395] fbond: entered allmulticast mode
[  749.408513] fbond: entered promiscuous mode
[  749.423484] veth1-bond: entered promiscuous mode
[  749.423612] veth1-bond: entered allmulticast mode
[  749.423714] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  749.434518] veth2-bond: entered promiscuous mode
[  749.434587] veth2-bond: entered allmulticast mode
[  749.434660] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  749.466952] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  749.467108] fab-br0: port 1(fbond) entered blocking state
[  749.467155] fab-br0: port 1(fbond) entered forwarding state
[  749.563015] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  749.563138] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  749.563208] fbond: active interface up!
[  750.724606] fbond: left allmulticast mode
[  750.724681] veth1-bond: left allmulticast mode
[  750.724740] veth2-bond: left allmulticast mode
[  750.724800] fbond: left promiscuous mode
[  750.724836] veth1-bond: left promiscuous mode
[  750.724898] veth2-bond: left promiscuous mode
[  750.724974] fab-br0: port 1(fbond) entered disabled state
[  750.779214] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  750.779376] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  750.788076] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  750.788256] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  750.796992] fbond (unregistering): Released all slaves