[  519.309988] fab-br0: port 1(fbond) entered blocking state
[  519.310085] fab-br0: port 1(fbond) entered disabled state
[  519.310158] fbond: entered allmulticast mode
[  519.310250] fbond: entered promiscuous mode
[  519.322703] veth1-bond: entered promiscuous mode
[  519.322785] veth1-bond: entered allmulticast mode
[  519.322848] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  519.333993] veth2-bond: entered promiscuous mode
[  519.334095] veth2-bond: entered allmulticast mode
[  519.334157] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  519.368087] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.368264] fab-br0: port 1(fbond) entered blocking state
[  519.368342] fab-br0: port 1(fbond) entered forwarding state
[  519.472091] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  519.472277] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  519.472369] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  519.472449] fbond: active interface up!
[  520.846585] fbond: left allmulticast mode
[  520.846653] veth1-bond: left allmulticast mode
[  520.846710] veth2-bond: left allmulticast mode
[  520.846751] fbond: left promiscuous mode
[  520.846780] veth1-bond: left promiscuous mode
[  520.846846] veth2-bond: left promiscuous mode
[  520.846897] fab-br0: port 1(fbond) entered disabled state
[  520.881465] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.881585] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.898211] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.898333] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.915159] fbond (unregistering): Released all slaves