[  768.865074] 8021q: adding VLAN 0 to HW filter on device bond0
[  768.868391] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  768.871407] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  768.874626] br0: port 1(veth0) entered blocking state
[  768.874676] br0: port 1(veth0) entered disabled state
[  768.874710] veth0: entered allmulticast mode
[  768.874777] veth0: entered promiscuous mode
[  768.877790] br0: port 2(veth1) entered blocking state
[  768.877830] br0: port 2(veth1) entered disabled state
[  768.877866] veth1: entered allmulticast mode
[  768.877916] veth1: entered promiscuous mode
[  768.934115] br0: port 1(veth0) entered blocking state
[  768.934198] br0: port 1(veth0) entered forwarding state
[  768.934281] br0: port 2(veth1) entered blocking state
[  768.934351] br0: port 2(veth1) entered forwarding state
[  770.949127] bond0: (slave veth1): link status definitely up
[  770.949225] bond0: (slave veth1): making interface the new active one
[  770.949275] bond0: active interface up!
[  771.022507] veth1: left allmulticast mode
[  771.022550] veth1: left promiscuous mode
[  771.022642] br0: port 2(veth1) entered disabled state
[  771.022873] veth0: left allmulticast mode
[  771.022905] veth0: left promiscuous mode
[  771.022935] br0: port 1(veth0) entered disabled state
[  771.029488] bond0: (slave veth1): Releasing backup interface
[  771.032232] bond0: (slave veth0): Releasing backup interface
[  771.062138] bond0 (unregistering): Released all slaves