[  721.717940] 8021q: adding VLAN 0 to HW filter on device bond0
[  721.730120] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  721.742437] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  721.754326] br0: port 1(veth0) entered blocking state
[  721.754404] br0: port 1(veth0) entered disabled state
[  721.754470] veth0: entered allmulticast mode
[  721.754559] veth0: entered promiscuous mode
[  721.766562] br0: port 2(veth1) entered blocking state
[  721.766624] br0: port 2(veth1) entered disabled state
[  721.766680] veth1: entered allmulticast mode
[  721.766764] veth1: entered promiscuous mode
[  722.719726] br0: port 1(veth0) entered blocking state
[  722.719858] br0: port 1(veth0) entered forwarding state
[  722.719962] br0: port 2(veth1) entered blocking state
[  722.720077] br0: port 2(veth1) entered forwarding state
[  723.744697] bond0: (slave veth1): link status definitely up
[  723.744832] bond0: (slave veth1): making interface the new active one
[  723.744944] bond0: active interface up!
[  723.832406] veth1: left allmulticast mode
[  723.832498] veth1: left promiscuous mode
[  723.832570] br0: port 2(veth1) entered disabled state
[  723.832804] veth0: left allmulticast mode
[  723.832888] veth0: left promiscuous mode
[  723.832937] br0: port 1(veth0) entered disabled state
[  723.848106] bond0: (slave veth1): Releasing backup interface
[  723.853531] bond0: (slave veth0): Releasing backup interface
[  723.878969] bond0 (unregistering): Released all slaves