[  837.347044] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.350789] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.354521] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.358120] br0: port 1(veth0) entered blocking state
[  837.358151] br0: port 1(veth0) entered disabled state
[  837.358192] veth0: entered allmulticast mode
[  837.358247] veth0: entered promiscuous mode
[  837.361901] br0: port 2(veth1) entered blocking state
[  837.361935] br0: port 2(veth1) entered disabled state
[  837.361972] veth1: entered allmulticast mode
[  837.362030] veth1: entered promiscuous mode
[  838.345350] br0: port 1(veth0) entered blocking state
[  838.345404] br0: port 1(veth0) entered forwarding state
[  838.345450] br0: port 2(veth1) entered blocking state
[  838.345479] br0: port 2(veth1) entered forwarding state
[  839.434317] bond0: (slave veth1): link status definitely up
[  839.434436] bond0: (slave veth1): making interface the new active one
[  839.434534] bond0: active interface up!
[  839.531700] veth1: left allmulticast mode
[  839.531777] veth1: left promiscuous mode
[  839.531874] br0: port 2(veth1) entered disabled state
[  839.532037] veth0: left allmulticast mode
[  839.532118] veth0: left promiscuous mode
[  839.532185] br0: port 1(veth0) entered disabled state
[  839.539273] bond0: (slave veth1): Releasing backup interface
[  839.544444] bond0: (slave veth0): Releasing backup interface
[  839.568357] bond0 (unregistering): Released all slaves