[  519.890164] fab-br0: port 1(fbond) entered blocking state
[  519.890257] fab-br0: port 1(fbond) entered disabled state
[  519.890326] fbond: entered allmulticast mode
[  519.890437] fbond: entered promiscuous mode
[  519.905605] veth1-bond: entered promiscuous mode
[  519.905692] veth1-bond: entered allmulticast mode
[  519.905789] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  519.915076] veth2-bond: entered promiscuous mode
[  519.915179] veth2-bond: entered allmulticast mode
[  519.915237] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  519.943163] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.943343] fab-br0: port 1(fbond) entered blocking state
[  519.943400] fab-br0: port 1(fbond) entered forwarding state
[  520.046147] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  520.046291] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.046369] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.046424] fbond: active interface up!
[  521.483969] fbond: left allmulticast mode
[  521.484072] veth1-bond: left allmulticast mode
[  521.484155] veth2-bond: left allmulticast mode
[  521.484223] fbond: left promiscuous mode
[  521.484280] veth1-bond: left promiscuous mode
[  521.484356] veth2-bond: left promiscuous mode
[  521.484441] fab-br0: port 1(fbond) entered disabled state
[  521.516452] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.516586] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.528379] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.528517] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.534276] fbond (unregistering): Released all slaves