[  520.957514] fab-br0: port 1(fbond) entered blocking state
[  520.957627] fab-br0: port 1(fbond) entered disabled state
[  520.957707] fbond: entered allmulticast mode
[  520.957835] fbond: entered promiscuous mode
[  520.972253] veth1-bond: entered promiscuous mode
[  520.972317] veth1-bond: entered allmulticast mode
[  520.972381] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.984247] veth2-bond: entered promiscuous mode
[  520.984341] veth2-bond: entered allmulticast mode
[  520.984412] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.008072] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.019032] fab-br0: port 1(fbond) entered blocking state
[  521.019117] fab-br0: port 1(fbond) entered forwarding state
[  521.104124] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.104239] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.104324] fbond: active interface up!
[  522.173083] fbond: left allmulticast mode
[  522.173132] veth1-bond: left allmulticast mode
[  522.173174] veth2-bond: left allmulticast mode
[  522.173215] fbond: left promiscuous mode
[  522.173243] veth1-bond: left promiscuous mode
[  522.173294] veth2-bond: left promiscuous mode
[  522.173351] fab-br0: port 1(fbond) entered disabled state
[  522.204670] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.204786] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.222230] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.222333] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.232171] fbond (unregistering): Released all slaves