[  874.698800] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.702443] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.706007] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.709511] br0: port 1(veth0) entered blocking state
[  874.709577] br0: port 1(veth0) entered disabled state
[  874.709647] veth0: entered allmulticast mode
[  874.709740] veth0: entered promiscuous mode
[  874.713225] br0: port 2(veth1) entered blocking state
[  874.713260] br0: port 2(veth1) entered disabled state
[  874.713299] veth1: entered allmulticast mode
[  874.713359] veth1: entered promiscuous mode
[  875.720206] br0: port 1(veth0) entered blocking state
[  875.720254] br0: port 1(veth0) entered forwarding state
[  875.720300] br0: port 2(veth1) entered blocking state
[  875.720331] br0: port 2(veth1) entered forwarding state
[  876.745181] bond0: (slave veth1): link status definitely up
[  876.745275] bond0: (slave veth1): making interface the new active one
[  876.745337] bond0: active interface up!
[  876.779606] veth1: left allmulticast mode
[  876.779644] veth1: left promiscuous mode
[  876.779681] br0: port 2(veth1) entered disabled state
[  876.779763] veth0: left allmulticast mode
[  876.779783] veth0: left promiscuous mode
[  876.779808] br0: port 1(veth0) entered disabled state
[  876.785441] bond0: (slave veth1): Releasing backup interface
[  876.788984] bond0: (slave veth0): Releasing backup interface
[  876.814215] bond0 (unregistering): Released all slaves