[  874.645580] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.648990] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.652379] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.655732] br0: port 1(veth0) entered blocking state
[  874.655764] br0: port 1(veth0) entered disabled state
[  874.655800] veth0: entered allmulticast mode
[  874.655862] veth0: entered promiscuous mode
[  874.659173] br0: port 2(veth1) entered blocking state
[  874.659203] br0: port 2(veth1) entered disabled state
[  874.659239] veth1: entered allmulticast mode
[  874.659296] veth1: entered promiscuous mode
[  874.804900] br0: port 1(veth0) entered blocking state
[  874.804948] br0: port 1(veth0) entered forwarding state
[  874.804992] br0: port 2(veth1) entered blocking state
[  874.805024] br0: port 2(veth1) entered forwarding state
[  876.732879] bond0: (slave veth1): link status definitely up
[  876.732968] bond0: (slave veth1): making interface the new active one
[  876.733027] bond0: active interface up!
[  876.820738] veth1: left allmulticast mode
[  876.820775] veth1: left promiscuous mode
[  876.820808] br0: port 2(veth1) entered disabled state
[  876.820941] veth0: left allmulticast mode
[  876.820964] veth0: left promiscuous mode
[  876.820990] br0: port 1(veth0) entered disabled state
[  876.827806] bond0: (slave veth1): Releasing backup interface
[  876.832016] bond0: (slave veth0): Releasing backup interface
[  876.867914] bond0 (unregistering): Released all slaves