[  750.207687] 8021q: adding VLAN 0 to HW filter on device bond0
[  750.210399] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  750.213010] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  750.215714] br0: port 1(veth0) entered blocking state
[  750.215779] br0: port 1(veth0) entered disabled state
[  750.215845] veth0: entered allmulticast mode
[  750.215938] veth0: entered promiscuous mode
[  750.218592] br0: port 2(veth1) entered blocking state
[  750.218628] br0: port 2(veth1) entered disabled state
[  750.218658] veth1: entered allmulticast mode
[  750.218704] veth1: entered promiscuous mode
[  750.621314] br0: port 1(veth0) entered blocking state
[  750.621412] br0: port 1(veth0) entered forwarding state
[  750.621504] br0: port 2(veth1) entered blocking state
[  750.621570] br0: port 2(veth1) entered forwarding state
[  752.245310] bond0: (slave veth1): link status definitely up
[  752.245431] bond0: (slave veth1): making interface the new active one
[  752.245486] bond0: active interface up!
[  752.351795] veth1: left allmulticast mode
[  752.351842] veth1: left promiscuous mode
[  752.351880] br0: port 2(veth1) entered disabled state
[  752.351996] veth0: left allmulticast mode
[  752.352025] veth0: left promiscuous mode
[  752.352054] br0: port 1(veth0) entered disabled state
[  752.373455] bond0: (slave veth1): Releasing backup interface
[  752.381394] bond0: (slave veth0): Releasing backup interface
[  752.409364] bond0 (unregistering): Released all slaves