[  750.109927] 8021q: adding VLAN 0 to HW filter on device bond0
[  750.113288] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  750.116583] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  750.119805] br0: port 1(veth0) entered blocking state
[  750.119888] br0: port 1(veth0) entered disabled state
[  750.119971] veth0: entered allmulticast mode
[  750.120058] veth0: entered promiscuous mode
[  750.123322] br0: port 2(veth1) entered blocking state
[  750.123361] br0: port 2(veth1) entered disabled state
[  750.123396] veth1: entered allmulticast mode
[  750.123447] veth1: entered promiscuous mode
[  751.161849] br0: port 1(veth0) entered blocking state
[  751.161918] br0: port 1(veth0) entered forwarding state
[  751.161967] br0: port 2(veth1) entered blocking state
[  751.162001] br0: port 2(veth1) entered forwarding state
[  752.186853] bond0: (slave veth0): link status definitely up
[  752.186975] bond0: (slave veth1): link status definitely up
[  752.187076] bond0: (slave veth0): making interface the new active one
[  752.187160] bond0: active interface up!
[  752.267394] veth1: left allmulticast mode
[  752.267464] veth1: left promiscuous mode
[  752.267524] br0: port 2(veth1) entered disabled state
[  752.267685] veth0: left allmulticast mode
[  752.267775] veth0: left promiscuous mode
[  752.267851] br0: port 1(veth0) entered disabled state
[  752.284990] bond0: (slave veth1): Releasing backup interface
[  752.297972] bond0: (slave veth0): Releasing backup interface
[  752.323912] bond0 (unregistering): Released all slaves