[  871.159333] 8021q: adding VLAN 0 to HW filter on device bond0
[  871.162829] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.166020] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.169203] br0: port 1(veth0) entered blocking state
[  871.169252] br0: port 1(veth0) entered disabled state
[  871.169290] veth0: entered allmulticast mode
[  871.169350] veth0: entered promiscuous mode
[  871.172402] br0: port 2(veth1) entered blocking state
[  871.172489] br0: port 2(veth1) entered disabled state
[  871.172572] veth1: entered allmulticast mode
[  871.172663] veth1: entered promiscuous mode
[  871.215908] br0: port 1(veth0) entered blocking state
[  871.215988] br0: port 1(veth0) entered forwarding state
[  871.216071] br0: port 2(veth1) entered blocking state
[  871.216139] br0: port 2(veth1) entered forwarding state
[  873.214909] bond0: (slave veth1): link status definitely up
[  873.215018] bond0: (slave veth1): making interface the new active one
[  873.215118] bond0: active interface up!
[  873.321118] veth1: left allmulticast mode
[  873.321191] veth1: left promiscuous mode
[  873.321285] br0: port 2(veth1) entered disabled state
[  873.321412] veth0: left allmulticast mode
[  873.321499] veth0: left promiscuous mode
[  873.321587] br0: port 1(veth0) entered disabled state
[  873.330071] bond0: (slave veth1): Releasing backup interface
[  873.335045] bond0: (slave veth0): Releasing backup interface
[  873.378952] bond0 (unregistering): Released all slaves