[  858.492799][ T9855] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  858.603637][ T9856] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  858.709714][ T9857] br0: port 1(veth0) entered blocking state
[  858.710007][ T9857] br0: port 1(veth0) entered disabled state
[  858.710292][ T9857] veth0: entered allmulticast mode
[  858.711526][ T9857] veth0: entered promiscuous mode
[  858.835808][ T9858] br0: port 2(veth1) entered blocking state
[  858.836209][ T9858] br0: port 2(veth1) entered disabled state
[  858.836585][ T9858] veth1: entered allmulticast mode
[  858.838528][ T9858] veth1: entered promiscuous mode
[  859.211784][ T9547] br0: port 1(veth0) entered blocking state
[  859.212063][ T9547] br0: port 1(veth0) entered forwarding state
[  859.213024][ T9547] br0: port 2(veth1) entered blocking state
[  859.213265][ T9547] br0: port 2(veth1) entered forwarding state
[  860.483672][ T4989] bond0: (slave veth1): link status definitely up
[  860.484192][ T4989] bond0: (slave veth1): making interface the new active one
[  860.485768][ T4989] bond0: active interface up!
[  860.763162][   T11] veth1: left allmulticast mode
[  860.763400][   T11] veth1: left promiscuous mode
[  860.763714][   T11] br0: port 2(veth1) entered disabled state
[  860.766604][   T11] veth0: left allmulticast mode
[  860.766793][   T11] veth0: left promiscuous mode
[  860.767746][   T11] br0: port 1(veth0) entered disabled state
[  860.901679][   T11] bond0: (slave veth1): Releasing backup interface
[  861.002717][   T11] bond0: (slave veth0): Releasing backup interface
[  861.382509][   T11] bond0 (unregistering): Released all slaves