[  751.083113] 8021q: adding VLAN 0 to HW filter on device bond0
[  751.086272] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  751.089959] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  751.093162] br0: port 1(veth0) entered blocking state
[  751.093261] br0: port 1(veth0) entered disabled state
[  751.093371] veth0: entered allmulticast mode
[  751.093509] veth0: entered promiscuous mode
[  751.096804] br0: port 2(veth1) entered blocking state
[  751.096915] br0: port 2(veth1) entered disabled state
[  751.096996] veth1: entered allmulticast mode
[  751.097077] veth1: entered promiscuous mode
[  751.337114] br0: port 1(veth0) entered blocking state
[  751.337161] br0: port 1(veth0) entered forwarding state
[  751.337213] br0: port 2(veth1) entered blocking state
[  751.337242] br0: port 2(veth1) entered forwarding state
[  753.144126] bond0: (slave veth1): link status definitely up
[  753.144186] bond0: (slave veth1): making interface the new active one
[  753.144243] bond0: active interface up!
[  753.232007] veth1: left allmulticast mode
[  753.232043] veth1: left promiscuous mode
[  753.232071] br0: port 2(veth1) entered disabled state
[  753.232174] veth0: left allmulticast mode
[  753.232194] veth0: left promiscuous mode
[  753.232225] br0: port 1(veth0) entered disabled state
[  753.249234] bond0: (slave veth1): Releasing backup interface
[  753.260202] bond0: (slave veth0): Releasing backup interface