[  756.890984] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  756.899017] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  756.906919] br0: port 1(veth0) entered blocking state
[  756.906970] br0: port 1(veth0) entered disabled state
[  756.907016] veth0: entered allmulticast mode
[  756.907085] veth0: entered promiscuous mode
[  756.915813] br0: port 2(veth1) entered blocking state
[  756.915895] br0: port 2(veth1) entered disabled state
[  756.915957] veth1: entered allmulticast mode
[  756.916042] veth1: entered promiscuous mode
[  757.889982] br0: port 1(veth0) entered blocking state
[  757.890075] br0: port 1(veth0) entered forwarding state
[  757.890217] br0: port 2(veth1) entered blocking state
[  757.890318] br0: port 2(veth1) entered forwarding state
[  759.937081] bond0: (slave veth0): link status definitely up
[  759.937308] bond0: (slave veth1): link status definitely up
[  759.937366] bond0: (slave veth0): making interface the new active one
[  759.937476] bond0: active interface up!
[  760.090449] veth1: left allmulticast mode
[  760.090588] veth1: left promiscuous mode
[  760.090689] br0: port 2(veth1) entered disabled state
[  760.090914] veth0: left allmulticast mode
[  760.091026] veth0: left promiscuous mode
[  760.091113] br0: port 1(veth0) entered disabled state
[  760.114355] bond0: (slave veth1): Releasing backup interface
[  760.117293] bond0: (slave veth0): Releasing backup interface
[  760.147359] bond0 (unregistering): Released all slaves