[  520.500475] fab-br0: port 1(fbond) entered blocking state
[  520.500551] fab-br0: port 1(fbond) entered disabled state
[  520.500613] fbond: entered allmulticast mode
[  520.500748] fbond: entered promiscuous mode
[  520.513428] veth1-bond: entered promiscuous mode
[  520.513504] veth1-bond: entered allmulticast mode
[  520.513582] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  520.523609] veth2-bond: entered promiscuous mode
[  520.523669] veth2-bond: entered allmulticast mode
[  520.523724] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  520.565169] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  520.565317] fab-br0: port 1(fbond) entered blocking state
[  520.565358] fab-br0: port 1(fbond) entered forwarding state
[  520.660230] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  520.660361] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  520.660420] fbond: active interface up!
[  521.768038] fbond: left allmulticast mode
[  521.768107] veth1-bond: left allmulticast mode
[  521.768172] veth2-bond: left allmulticast mode
[  521.768215] fbond: left promiscuous mode
[  521.768244] veth1-bond: left promiscuous mode
[  521.768288] veth2-bond: left promiscuous mode
[  521.768341] fab-br0: port 1(fbond) entered disabled state
[  521.802107] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  521.802277] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  521.815390] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  521.815542] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  521.824272] fbond (unregistering): Released all slaves