[  521.245734] fab-br0: port 1(fbond) entered blocking state
[  521.245799] fab-br0: port 1(fbond) entered disabled state
[  521.245854] fbond: entered allmulticast mode
[  521.245967] fbond: entered promiscuous mode
[  521.258009] veth1-bond: entered promiscuous mode
[  521.258084] veth1-bond: entered allmulticast mode
[  521.258179] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.268379] veth2-bond: entered promiscuous mode
[  521.268439] veth2-bond: entered allmulticast mode
[  521.268489] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.302151] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.302332] fab-br0: port 1(fbond) entered blocking state
[  521.302391] fab-br0: port 1(fbond) entered forwarding state
[  521.406192] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.406363] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.406434] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.406490] fbond: active interface up!
[  522.898062] fbond: left allmulticast mode
[  522.898178] veth1-bond: left allmulticast mode
[  522.898234] veth2-bond: left allmulticast mode
[  522.898293] fbond: left promiscuous mode
[  522.898338] veth1-bond: left promiscuous mode
[  522.898404] veth2-bond: left promiscuous mode
[  522.898480] fab-br0: port 1(fbond) entered disabled state
[  522.930101] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.930214] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.941317] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.941454] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.951256] fbond (unregistering): Released all slaves