[  836.704752] 8021q: adding VLAN 0 to HW filter on device bond0
[  836.708652] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  836.712455] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  836.716212] br0: port 1(veth0) entered blocking state
[  836.716283] br0: port 1(veth0) entered disabled state
[  836.716348] veth0: entered allmulticast mode
[  836.716446] veth0: entered promiscuous mode
[  836.720219] br0: port 2(veth1) entered blocking state
[  836.720250] br0: port 2(veth1) entered disabled state
[  836.720285] veth1: entered allmulticast mode
[  836.720338] veth1: entered promiscuous mode
[  837.104174] br0: port 1(veth0) entered blocking state
[  837.104267] br0: port 1(veth0) entered forwarding state
[  837.104351] br0: port 2(veth1) entered blocking state
[  837.104414] br0: port 2(veth1) entered forwarding state
[  838.793142] bond0: (slave veth1): link status definitely up
[  838.793236] bond0: (slave veth1): making interface the new active one
[  838.793295] bond0: active interface up!
[  838.894357] veth1: left allmulticast mode
[  838.894398] veth1: left promiscuous mode
[  838.894436] br0: port 2(veth1) entered disabled state
[  838.894597] veth0: left allmulticast mode
[  838.894618] veth0: left promiscuous mode
[  838.894648] br0: port 1(veth0) entered disabled state
[  838.900342] bond0: (slave veth1): Releasing backup interface
[  838.903810] bond0: (slave veth0): Releasing backup interface
[  838.927156] bond0 (unregistering): Released all slaves