[  872.233335] 8021q: adding VLAN 0 to HW filter on device bond0
[  872.236447] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  872.239534] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  872.242629] br0: port 1(veth0) entered blocking state
[  872.242665] br0: port 1(veth0) entered disabled state
[  872.242704] veth0: entered allmulticast mode
[  872.242754] veth0: entered promiscuous mode
[  872.245777] br0: port 2(veth1) entered blocking state
[  872.245844] br0: port 2(veth1) entered disabled state
[  872.245916] veth1: entered allmulticast mode
[  872.246010] veth1: entered promiscuous mode
[  872.623994] br0: port 1(veth0) entered blocking state
[  872.624090] br0: port 1(veth0) entered forwarding state
[  872.624180] br0: port 2(veth1) entered blocking state
[  872.624249] br0: port 2(veth1) entered forwarding state
[  874.319994] bond0: (slave veth1): link status definitely up
[  874.320101] bond0: (slave veth1): making interface the new active one
[  874.320154] bond0: active interface up!
[  874.386439] veth1: left allmulticast mode
[  874.386483] veth1: left promiscuous mode
[  874.386573] br0: port 2(veth1) entered disabled state
[  874.386781] veth0: left allmulticast mode
[  874.386816] veth0: left promiscuous mode
[  874.386846] br0: port 1(veth0) entered disabled state
[  874.395132] bond0: (slave veth1): Releasing backup interface
[  874.399103] bond0: (slave veth0): Releasing backup interface
[  874.427012] bond0 (unregistering): Released all slaves