[  751.436887] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.439754] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  751.442649] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  751.445498] br0: port 1(veth0) entered blocking state
[  751.445537] br0: port 1(veth0) entered disabled state
[  751.445577] veth0: entered allmulticast mode
[  751.445626] veth0: entered promiscuous mode
[  751.448411] br0: port 2(veth1) entered blocking state
[  751.448451] br0: port 2(veth1) entered disabled state
[  751.448485] veth1: entered allmulticast mode
[  751.448533] veth1: entered promiscuous mode
[  751.782778] br0: port 1(veth0) entered blocking state
[  751.782841] br0: port 1(veth0) entered forwarding state
[  751.782894] br0: port 2(veth1) entered blocking state
[  751.782927] br0: port 2(veth1) entered forwarding state
[  753.462770] bond0: (slave veth1): link status definitely up
[  753.462844] bond0: (slave veth1): making interface the new active one
[  753.462905] bond0: active interface up!
[  753.563884] veth1: left allmulticast mode
[  753.563927] veth1: left promiscuous mode
[  753.563956] br0: port 2(veth1) entered disabled state
[  753.564151] veth0: left allmulticast mode
[  753.564179] veth0: left promiscuous mode
[  753.564205] br0: port 1(veth0) entered disabled state
[  753.575929] bond0: (slave veth1): Releasing backup interface
[  753.580858] bond0: (slave veth0): Releasing backup interface