[  849.219531][ T9304] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  849.316486][ T9305] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  849.427263][ T9306] br0: port 1(veth0) entered blocking state
[  849.427639][ T9306] br0: port 1(veth0) entered disabled state
[  849.428023][ T9306] veth0: entered allmulticast mode
[  849.429389][ T9306] veth0: entered promiscuous mode
[  849.531775][ T9307] br0: port 2(veth1) entered blocking state
[  849.532102][ T9307] br0: port 2(veth1) entered disabled state
[  849.532404][ T9307] veth1: entered allmulticast mode
[  849.533981][ T9307] veth1: entered promiscuous mode
[  850.317007][ T4628] br0: port 1(veth0) entered blocking state
[  850.317390][ T4628] br0: port 1(veth0) entered forwarding state
[  850.318621][ T4628] br0: port 2(veth1) entered blocking state
[  850.318917][ T4628] br0: port 2(veth1) entered forwarding state
[  852.173099][   T68] bond0: (slave veth0): link status definitely up
[  852.173999][   T68] bond0: (slave veth1): link status definitely up
[  852.174255][   T68] bond0: (slave veth0): making interface the new active one
[  852.175316][   T68] bond0: active interface up!
[  852.568324][   T68] veth1: left allmulticast mode
[  852.568617][   T68] veth1: left promiscuous mode
[  852.568943][   T68] br0: port 2(veth1) entered disabled state
[  852.570709][   T68] veth0: left allmulticast mode
[  852.570916][   T68] veth0: left promiscuous mode
[  852.571199][   T68] br0: port 1(veth0) entered disabled state
[  852.747206][   T68] bond0: (slave veth1): Releasing backup interface
[  852.864388][   T68] bond0: (slave veth0): Releasing backup interface
[  853.239586][   T68] bond0 (unregistering): Released all slaves