[  756.708109] 8021q: adding VLAN 0 to HW filter on device bond0
[  756.711024] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  756.713959] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  756.716779] br0: port 1(veth0) entered blocking state
[  756.716849] br0: port 1(veth0) entered disabled state
[  756.716914] veth0: entered allmulticast mode
[  756.717004] veth0: entered promiscuous mode
[  756.719732] br0: port 2(veth1) entered blocking state
[  756.719780] br0: port 2(veth1) entered disabled state
[  756.719811] veth1: entered allmulticast mode
[  756.719856] veth1: entered promiscuous mode
[  757.755958] br0: port 1(veth0) entered blocking state
[  757.756020] br0: port 1(veth0) entered forwarding state
[  757.756066] br0: port 2(veth1) entered blocking state
[  757.756097] br0: port 2(veth1) entered forwarding state
[  758.779952] bond0: (slave veth1): link status definitely up
[  758.780014] bond0: (slave veth1): making interface the new active one
[  758.780071] bond0: active interface up!
[  758.827182] veth1: left allmulticast mode
[  758.827230] veth1: left promiscuous mode
[  758.827317] br0: port 2(veth1) entered disabled state
[  758.827402] veth0: left allmulticast mode
[  758.827472] veth0: left promiscuous mode
[  758.827509] br0: port 1(veth0) entered disabled state
[  758.847046] bond0: (slave veth1): Releasing backup interface
[  758.854008] bond0: (slave veth0): Releasing backup interface
[  758.885004] bond0 (unregistering): Released all slaves