[  538.471478] fab-br0: port 1(fbond) entered blocking state
[  538.471552] fab-br0: port 1(fbond) entered disabled state
[  538.471619] fbond: entered allmulticast mode
[  538.471721] fbond: entered promiscuous mode
[  538.485819] veth1-bond: entered promiscuous mode
[  538.485890] veth1-bond: entered allmulticast mode
[  538.485969] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  538.496917] veth2-bond: entered promiscuous mode
[  538.496986] veth2-bond: entered allmulticast mode
[  538.497049] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  538.526603] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  538.526778] fab-br0: port 1(fbond) entered blocking state
[  538.526854] fab-br0: port 1(fbond) entered forwarding state
[  538.629634] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  538.630632] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  538.630723] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  538.630800] fbond: active interface up!
[  540.018547] fbond: left allmulticast mode
[  540.018633] veth1-bond: left allmulticast mode
[  540.018680] veth2-bond: left allmulticast mode
[  540.018728] fbond: left promiscuous mode
[  540.018769] veth1-bond: left promiscuous mode
[  540.018824] veth2-bond: left promiscuous mode
[  540.018892] fab-br0: port 1(fbond) entered disabled state
[  540.053243] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  540.053358] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  540.071735] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  540.071859] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  540.088674] fbond (unregistering): Released all slaves