[  728.946814] 8021q: adding VLAN 0 to HW filter on device bond0
[  728.950116] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  728.953148] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  728.956146] br0: port 1(veth0) entered blocking state
[  728.956211] br0: port 1(veth0) entered disabled state
[  728.956277] veth0: entered allmulticast mode
[  728.956364] veth0: entered promiscuous mode
[  728.959520] br0: port 2(veth1) entered blocking state
[  728.959563] br0: port 2(veth1) entered disabled state
[  728.959595] veth1: entered allmulticast mode
[  728.959657] veth1: entered promiscuous mode
[  729.127798] br0: port 1(veth0) entered blocking state
[  729.127897] br0: port 1(veth0) entered forwarding state
[  729.127988] br0: port 2(veth1) entered blocking state
[  729.128056] br0: port 2(veth1) entered forwarding state
[  730.999804] bond0: (slave veth1): link status definitely up
[  730.999942] bond0: (slave veth1): making interface the new active one
[  731.000016] bond0: active interface up!
[  731.081870] veth1: left allmulticast mode
[  731.081919] veth1: left promiscuous mode
[  731.082025] br0: port 2(veth1) entered disabled state
[  731.082131] veth0: left allmulticast mode
[  731.082222] veth0: left promiscuous mode
[  731.082261] br0: port 1(veth0) entered disabled state
[  731.109006] bond0: (slave veth1): Releasing backup interface
[  731.122948] bond0: (slave veth0): Releasing backup interface
[  731.151890] bond0 (unregistering): Released all slaves