[  838.683120] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.687042] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.691077] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.695072] br0: port 1(veth0) entered blocking state
[  838.695147] br0: port 1(veth0) entered disabled state
[  838.695219] veth0: entered allmulticast mode
[  838.695315] veth0: entered promiscuous mode
[  838.699438] br0: port 2(veth1) entered blocking state
[  838.699472] br0: port 2(veth1) entered disabled state
[  838.699512] veth1: entered allmulticast mode
[  838.699588] veth1: entered promiscuous mode
[  838.957632] br0: port 1(veth0) entered blocking state
[  838.957681] br0: port 1(veth0) entered forwarding state
[  838.957728] br0: port 2(veth1) entered blocking state
[  838.957756] br0: port 2(veth1) entered forwarding state
[  840.710623] bond0: (slave veth1): link status definitely up
[  840.710732] bond0: (slave veth1): making interface the new active one
[  840.710821] bond0: active interface up!
[  840.791246] veth1: left allmulticast mode
[  840.791283] veth1: left promiscuous mode
[  840.791319] br0: port 2(veth1) entered disabled state
[  840.791404] veth0: left allmulticast mode
[  840.791481] veth0: left promiscuous mode
[  840.791516] br0: port 1(veth0) entered disabled state
[  840.795968] bond0: (slave veth1): Releasing backup interface
[  840.799663] bond0: (slave veth0): Releasing backup interface
[  840.831706] bond0 (unregistering): Released all slaves