[  838.480818] 8021q: adding VLAN 0 to HW filter on device bond0
[  838.484921] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.489124] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.493105] br0: port 1(veth0) entered blocking state
[  838.493150] br0: port 1(veth0) entered disabled state
[  838.493186] veth0: entered allmulticast mode
[  838.493246] veth0: entered promiscuous mode
[  838.497272] br0: port 2(veth1) entered blocking state
[  838.497339] br0: port 2(veth1) entered disabled state
[  838.497407] veth1: entered allmulticast mode
[  838.497497] veth1: entered promiscuous mode
[  838.752057] br0: port 1(veth0) entered blocking state
[  838.752154] br0: port 1(veth0) entered forwarding state
[  838.752240] br0: port 2(veth1) entered blocking state
[  838.752304] br0: port 2(veth1) entered forwarding state
[  840.511038] bond0: (slave veth1): link status definitely up
[  840.511128] bond0: (slave veth1): making interface the new active one
[  840.511196] bond0: active interface up!
[  840.572058] veth1: left allmulticast mode
[  840.572103] veth1: left promiscuous mode
[  840.572137] br0: port 2(veth1) entered disabled state
[  840.572213] veth0: left allmulticast mode
[  840.572233] veth0: left promiscuous mode
[  840.572256] br0: port 1(veth0) entered disabled state
[  840.580123] bond0: (slave veth1): Releasing backup interface
[  840.584168] bond0: (slave veth0): Releasing backup interface
[  840.608076] bond0 (unregistering): Released all slaves