[  768.973992] 8021q: adding VLAN 0 to HW filter on device bond0
[  768.977127] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  768.980120] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  768.983045] br0: port 1(veth0) entered blocking state
[  768.983089] br0: port 1(veth0) entered disabled state
[  768.983126] veth0: entered allmulticast mode
[  768.983184] veth0: entered promiscuous mode
[  768.986202] br0: port 2(veth1) entered blocking state
[  768.986264] br0: port 2(veth1) entered disabled state
[  768.986335] veth1: entered allmulticast mode
[  768.986427] veth1: entered promiscuous mode
[  769.358584] br0: port 1(veth0) entered blocking state
[  769.358690] br0: port 1(veth0) entered forwarding state
[  769.358782] br0: port 2(veth1) entered blocking state
[  769.358850] br0: port 2(veth1) entered forwarding state
[  771.007569] bond0: (slave veth1): link status definitely up
[  771.007720] bond0: (slave veth1): making interface the new active one
[  771.007784] bond0: active interface up!
[  771.020830] veth1: left allmulticast mode
[  771.020869] veth1: left promiscuous mode
[  771.020897] br0: port 2(veth1) entered disabled state
[  771.020975] veth0: left allmulticast mode
[  771.021001] veth0: left promiscuous mode
[  771.021028] br0: port 1(veth0) entered disabled state
[  771.044697] bond0: (slave veth1): Releasing backup interface
[  771.051662] bond0: (slave veth0): Releasing backup interface
[  771.092625] bond0 (unregistering): Released all slaves