[  750.534731] 8021q: adding VLAN 0 to HW filter on device bond0
[  750.537427] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  750.540109] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  750.542678] br0: port 1(veth0) entered blocking state
[  750.542748] br0: port 1(veth0) entered disabled state
[  750.542819] veth0: entered allmulticast mode
[  750.542912] veth0: entered promiscuous mode
[  750.545522] br0: port 2(veth1) entered blocking state
[  750.545559] br0: port 2(veth1) entered disabled state
[  750.545592] veth1: entered allmulticast mode
[  750.545644] veth1: entered promiscuous mode
[  751.545797] br0: port 1(veth0) entered blocking state
[  751.545854] br0: port 1(veth0) entered forwarding state
[  751.545906] br0: port 2(veth1) entered blocking state
[  751.545943] br0: port 2(veth1) entered forwarding state
[  752.569792] bond0: (slave veth1): link status definitely up
[  752.569921] bond0: (slave veth1): making interface the new active one
[  752.570010] bond0: active interface up!
[  752.677486] veth1: left allmulticast mode
[  752.677569] veth1: left promiscuous mode
[  752.677644] br0: port 2(veth1) entered disabled state
[  752.677832] veth0: left allmulticast mode
[  752.677891] veth0: left promiscuous mode
[  752.677952] br0: port 1(veth0) entered disabled state
[  752.689934] bond0: (slave veth1): Releasing backup interface
[  752.696885] bond0: (slave veth0): Releasing backup interface
[  752.719853] bond0 (unregistering): Released all slaves