[  878.277948][ T9523] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  878.377882][ T9524] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  878.480121][ T9525] br0: port 1(veth0) entered blocking state
[  878.480533][ T9525] br0: port 1(veth0) entered disabled state
[  878.480908][ T9525] veth0: entered allmulticast mode
[  878.482931][ T9525] veth0: entered promiscuous mode
[  878.587242][ T9526] br0: port 2(veth1) entered blocking state
[  878.587529][ T9526] br0: port 2(veth1) entered disabled state
[  878.587779][ T9526] veth1: entered allmulticast mode
[  878.589131][ T9526] veth1: entered promiscuous mode
[  879.026270][   T40] br0: port 1(veth0) entered blocking state
[  879.026531][   T40] br0: port 1(veth0) entered forwarding state
[  879.027468][   T40] br0: port 2(veth1) entered blocking state
[  879.027698][   T40] br0: port 2(veth1) entered forwarding state
[  880.256609][ T8613] bond0: (slave veth1): link status definitely up
[  880.257009][ T8613] bond0: (slave veth1): making interface the new active one
[  880.258318][ T8613] bond0: active interface up!
[  880.696229][ T8613] veth1: left allmulticast mode
[  880.696447][ T8613] veth1: left promiscuous mode
[  880.696746][ T8613] br0: port 2(veth1) entered disabled state
[  880.698647][ T8613] veth0: left allmulticast mode
[  880.698823][ T8613] veth0: left promiscuous mode
[  880.699157][ T8613] br0: port 1(veth0) entered disabled state
[  880.862015][ T8613] bond0: (slave veth1): Releasing backup interface
[  881.037597][ T8613] bond0: (slave veth0): Releasing backup interface
[  881.427354][ T8613] bond0 (unregistering): Released all slaves