[  837.209157] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.213346] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.217673] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.223104] br0: port 1(veth0) entered blocking state
[  837.223195] br0: port 1(veth0) entered disabled state
[  837.223336] veth0: entered allmulticast mode
[  837.223513] veth0: entered promiscuous mode
[  837.227778] br0: port 2(veth1) entered blocking state
[  837.227831] br0: port 2(veth1) entered disabled state
[  837.227925] veth1: entered allmulticast mode
[  837.228018] veth1: entered promiscuous mode
[  837.493690] br0: port 1(veth0) entered blocking state
[  837.493752] br0: port 1(veth0) entered forwarding state
[  837.493871] br0: port 2(veth1) entered blocking state
[  837.493900] br0: port 2(veth1) entered forwarding state
[  839.245668] bond0: (slave veth1): link status definitely up
[  839.245769] bond0: (slave veth1): making interface the new active one
[  839.245832] bond0: active interface up!
[  839.303710] veth1: left allmulticast mode
[  839.303787] veth1: left promiscuous mode
[  839.303829] br0: port 2(veth1) entered disabled state
[  839.303956] veth0: left allmulticast mode
[  839.303987] veth0: left promiscuous mode
[  839.304036] br0: port 1(veth0) entered disabled state
[  839.307852] bond0: (slave veth1): Releasing backup interface
[  839.311816] bond0: (slave veth0): Releasing backup interface
[  839.338708] bond0 (unregistering): Released all slaves