[  770.034111] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.036963] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.039808] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.042580] br0: port 1(veth0) entered blocking state
[  770.042609] br0: port 1(veth0) entered disabled state
[  770.042643] veth0: entered allmulticast mode
[  770.042696] veth0: entered promiscuous mode
[  770.045482] br0: port 2(veth1) entered blocking state
[  770.045545] br0: port 2(veth1) entered disabled state
[  770.045608] veth1: entered allmulticast mode
[  770.045689] veth1: entered promiscuous mode
[  770.323766] br0: port 1(veth0) entered blocking state
[  770.323834] br0: port 1(veth0) entered forwarding state
[  770.323917] br0: port 2(veth1) entered blocking state
[  770.323986] br0: port 2(veth1) entered forwarding state
[  772.099773] bond0: (slave veth1): link status definitely up
[  772.099864] bond0: (slave veth1): making interface the new active one
[  772.099920] bond0: active interface up!
[  772.172320] veth1: left allmulticast mode
[  772.172351] veth1: left promiscuous mode
[  772.172381] br0: port 2(veth1) entered disabled state
[  772.172450] veth0: left allmulticast mode
[  772.172470] veth0: left promiscuous mode
[  772.172492] br0: port 1(veth0) entered disabled state
[  772.193895] bond0: (slave veth1): Releasing backup interface
[  772.200872] bond0: (slave veth0): Releasing backup interface
[  772.234796] bond0 (unregistering): Released all slaves