[  520.999123] fab-br0: port 1(fbond) entered blocking state
[  520.999194] fab-br0: port 1(fbond) entered disabled state
[  520.999259] fbond: entered allmulticast mode
[  520.999399] fbond: entered promiscuous mode
[  521.012994] veth1-bond: entered promiscuous mode
[  521.013055] veth1-bond: entered allmulticast mode
[  521.013119] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  521.025390] veth2-bond: entered promiscuous mode
[  521.025456] veth2-bond: entered allmulticast mode
[  521.025516] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  521.048372] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.060302] fab-br0: port 1(fbond) entered blocking state
[  521.060397] fab-br0: port 1(fbond) entered forwarding state
[  521.152372] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  521.152494] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  521.152555] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  521.152612] fbond: active interface up!
[  522.561451] fbond: left allmulticast mode
[  522.561509] veth1-bond: left allmulticast mode
[  522.561556] veth2-bond: left allmulticast mode
[  522.561603] fbond: left promiscuous mode
[  522.561636] veth1-bond: left promiscuous mode
[  522.561695] veth2-bond: left promiscuous mode
[  522.561760] fab-br0: port 1(fbond) entered disabled state
[  522.605074] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  522.605163] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  522.612492] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  522.612593] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  522.625420] fbond (unregistering): Released all slaves