[  518.841474] fab-br0: port 1(fbond) entered blocking state
[  518.841550] fab-br0: port 1(fbond) entered disabled state
[  518.841625] fbond: entered allmulticast mode
[  518.841736] fbond: entered promiscuous mode
[  518.855775] veth1-bond: entered promiscuous mode
[  518.855838] veth1-bond: entered allmulticast mode
[  518.855899] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[  518.864856] veth2-bond: entered promiscuous mode
[  518.864914] veth2-bond: entered allmulticast mode
[  518.864969] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[  518.901731] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[  518.901965] fab-br0: port 1(fbond) entered blocking state
[  518.902042] fab-br0: port 1(fbond) entered forwarding state
[  518.997768] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[  518.997931] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[  518.998024] fbond: active interface up!
[  520.158098] fbond: left allmulticast mode
[  520.158189] veth1-bond: left allmulticast mode
[  520.158241] veth2-bond: left allmulticast mode
[  520.158293] fbond: left promiscuous mode
[  520.158332] veth1-bond: left promiscuous mode
[  520.158391] veth2-bond: left promiscuous mode
[  520.158465] fab-br0: port 1(fbond) entered disabled state
[  520.185903] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[  520.186014] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[  520.208901] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[  520.209064] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[  520.225832] fbond (unregistering): Released all slaves