[  871.991847] 8021q: adding VLAN 0 to HW filter on device bond0
[  871.995611] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.999304] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.002741] br0: port 1(veth0) entered blocking state
[  872.002776] br0: port 1(veth0) entered disabled state
[  872.002814] veth0: entered allmulticast mode
[  872.002877] veth0: entered promiscuous mode
[  872.006468] br0: port 2(veth1) entered blocking state
[  872.006538] br0: port 2(veth1) entered disabled state
[  872.006609] veth1: entered allmulticast mode
[  872.006704] veth1: entered promiscuous mode
[  872.327218] br0: port 1(veth0) entered blocking state
[  872.327312] br0: port 1(veth0) entered forwarding state
[  872.327410] br0: port 2(veth1) entered blocking state
[  872.327479] br0: port 2(veth1) entered forwarding state
[  874.062187] bond0: (slave veth1): link status definitely up
[  874.062305] bond0: (slave veth1): making interface the new active one
[  874.062400] bond0: active interface up!
[  874.074595] veth1: left allmulticast mode
[  874.074652] veth1: left promiscuous mode
[  874.074716] br0: port 2(veth1) entered disabled state
[  874.074896] veth0: left allmulticast mode
[  874.074978] veth0: left promiscuous mode
[  874.075064] br0: port 1(veth0) entered disabled state
[  874.084354] bond0: (slave veth1): Releasing backup interface
[  874.087306] bond0: (slave veth0): Releasing backup interface
[  874.115225] bond0 (unregistering): Released all slaves