[  871.970653] 8021q: adding VLAN 0 to HW filter on device bond0
[  871.974178] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  871.977673] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  871.981123] br0: port 1(veth0) entered blocking state
[  871.981188] br0: port 1(veth0) entered disabled state
[  871.981264] veth0: entered allmulticast mode
[  871.981359] veth0: entered promiscuous mode
[  871.984815] br0: port 2(veth1) entered blocking state
[  871.984847] br0: port 2(veth1) entered disabled state
[  871.984884] veth1: entered allmulticast mode
[  871.984936] veth1: entered promiscuous mode
[  872.226095] br0: port 1(veth0) entered blocking state
[  872.226146] br0: port 1(veth0) entered forwarding state
[  872.226185] br0: port 2(veth1) entered blocking state
[  872.226216] br0: port 2(veth1) entered forwarding state
[  874.002092] bond0: (slave veth1): link status definitely up
[  874.002192] bond0: (slave veth1): making interface the new active one
[  874.002246] bond0: active interface up!
[  874.045833] veth1: left allmulticast mode
[  874.045870] veth1: left promiscuous mode
[  874.045905] br0: port 2(veth1) entered disabled state
[  874.046040] veth0: left allmulticast mode
[  874.046075] veth0: left promiscuous mode
[  874.046103] br0: port 1(veth0) entered disabled state
[  874.052940] bond0: (slave veth1): Releasing backup interface
[  874.058216] bond0: (slave veth0): Releasing backup interface
[  874.099123] bond0 (unregistering): Released all slaves