[  837.465496] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.469310] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.473108] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.476799] br0: port 1(veth0) entered blocking state
[  837.476830] br0: port 1(veth0) entered disabled state
[  837.476862] veth0: entered allmulticast mode
[  837.476934] veth0: entered promiscuous mode
[  837.480617] br0: port 2(veth1) entered blocking state
[  837.480680] br0: port 2(veth1) entered disabled state
[  837.480746] veth1: entered allmulticast mode
[  837.480831] veth1: entered promiscuous mode
[  837.750948] br0: port 1(veth0) entered blocking state
[  837.751045] br0: port 1(veth0) entered forwarding state
[  837.751128] br0: port 2(veth1) entered blocking state
[  837.751193] br0: port 2(veth1) entered forwarding state
[  839.503940] bond0: (slave veth1): link status definitely up
[  839.504046] bond0: (slave veth1): making interface the new active one
[  839.504116] bond0: active interface up!
[  839.543108] veth1: left allmulticast mode
[  839.543149] veth1: left promiscuous mode
[  839.543235] br0: port 2(veth1) entered disabled state
[  839.543356] veth0: left allmulticast mode
[  839.543389] veth0: left promiscuous mode
[  839.543419] br0: port 1(veth0) entered disabled state
[  839.548177] bond0: (slave veth1): Releasing backup interface
[  839.553093] bond0: (slave veth0): Releasing backup interface
[  839.574963] bond0 (unregistering): Released all slaves