[  873.461713] 8021q: adding VLAN 0 to HW filter on device bond0
[  873.465331] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  873.468932] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  873.472375] br0: port 1(veth0) entered blocking state
[  873.472397] br0: port 1(veth0) entered disabled state
[  873.472420] veth0: entered allmulticast mode
[  873.472466] veth0: entered promiscuous mode
[  873.476004] br0: port 2(veth1) entered blocking state
[  873.476032] br0: port 2(veth1) entered disabled state
[  873.476051] veth1: entered allmulticast mode
[  873.476089] veth1: entered promiscuous mode
[  874.455549] br0: port 1(veth0) entered blocking state
[  874.455584] br0: port 1(veth0) entered forwarding state
[  874.455616] br0: port 2(veth1) entered blocking state
[  874.455630] br0: port 2(veth1) entered forwarding state
[  875.544527] bond0: (slave veth1): link status definitely up
[  875.544602] bond0: (slave veth1): making interface the new active one
[  875.544651] bond0: active interface up!
[  875.643685] veth1: left allmulticast mode
[  875.643715] veth1: left promiscuous mode
[  875.643736] br0: port 2(veth1) entered disabled state
[  875.643808] veth0: left allmulticast mode
[  875.643820] veth0: left promiscuous mode
[  875.643834] br0: port 1(veth0) entered disabled state
[  875.651693] bond0: (slave veth1): Releasing backup interface
[  875.654665] bond0: (slave veth0): Releasing backup interface
[  875.692568] bond0 (unregistering): Released all slaves