[  520.217913] fab-br0: port 1(fbond) entered blocking state
[  520.217983] fab-br0: port 1(fbond) entered disabled state
[  520.218049] fbond: entered allmulticast mode
[  520.218167] fbond: entered promiscuous mode
[  520.230360] veth1-bond: entered promiscuous mode
[  520.230424] veth1-bond: entered allmulticast mode
[  520.230498] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.240603] veth2-bond: entered promiscuous mode
[  520.240667] veth2-bond: entered allmulticast mode
[  520.240729] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  520.278141] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  520.278306] fab-br0: port 1(fbond) entered blocking state
[  520.278355] fab-br0: port 1(fbond) entered forwarding state
[  520.375143] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.375267] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.375356] fbond: active interface up!
[  521.524335] fbond: left allmulticast mode
[  521.524402] veth1-bond: left allmulticast mode
[  521.524454] veth2-bond: left allmulticast mode
[  521.524498] fbond: left promiscuous mode
[  521.524531] veth1-bond: left promiscuous mode
[  521.524577] veth2-bond: left promiscuous mode
[  521.524634] fab-br0: port 1(fbond) entered disabled state
[  521.568287] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.568432] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.580305] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.580484] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.586193] fbond (unregistering): Released all slaves