[  721.971403] 8021q: adding VLAN 0 to HW filter on device bond0
[  721.992890] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  722.015851] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  722.036574] br0: port 1(veth0) entered blocking state
[  722.036766] br0: port 1(veth0) entered disabled state
[  722.036936] veth0: entered allmulticast mode
[  722.037147] veth0: entered promiscuous mode
[  722.059193] br0: port 2(veth1) entered blocking state
[  722.059400] br0: port 2(veth1) entered disabled state
[  722.059561] veth1: entered allmulticast mode
[  722.059805] veth1: entered promiscuous mode
[  722.975731] br0: port 1(veth0) entered blocking state
[  722.975903] br0: port 1(veth0) entered forwarding state
[  722.976005] br0: port 2(veth1) entered blocking state
[  722.976064] br0: port 2(veth1) entered forwarding state
[  723.999673] bond0: (slave veth1): link status definitely up
[  723.999888] bond0: (slave veth1): making interface the new active one
[  724.000023] bond0: active interface up!
[  724.102761] veth1: left allmulticast mode
[  724.102860] veth1: left promiscuous mode
[  724.102924] br0: port 2(veth1) entered disabled state
[  724.103066] veth0: left allmulticast mode
[  724.103111] veth0: left promiscuous mode
[  724.103155] br0: port 1(veth0) entered disabled state
[  724.122290] bond0: (slave veth1): Releasing backup interface
[  724.127888] bond0: (slave veth0): Releasing backup interface