[  855.760725][ T9656] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.847242][ T9657] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.938835][ T9658] br0: port 1(veth0) entered blocking state
[  855.940196][ T9658] br0: port 1(veth0) entered disabled state
[  855.940565][ T9658] veth0: entered allmulticast mode
[  855.941801][ T9658] veth0: entered promiscuous mode
[  856.064150][ T9659] br0: port 2(veth1) entered blocking state
[  856.064428][ T9659] br0: port 2(veth1) entered disabled state
[  856.064666][ T9659] veth1: entered allmulticast mode
[  856.065881][ T9659] veth1: entered promiscuous mode
[  856.548630][   T39] br0: port 1(veth0) entered blocking state
[  856.548958][   T39] br0: port 1(veth0) entered forwarding state
[  856.550401][   T39] br0: port 2(veth1) entered blocking state
[  856.550658][   T39] br0: port 2(veth1) entered forwarding state
[  857.675069][  T279] bond0: (slave veth1): link status definitely up
[  857.675499][  T279] bond0: (slave veth1): making interface the new active one
[  857.676757][  T279] bond0: active interface up!
[  858.190482][ T8663] veth1: left allmulticast mode
[  858.190702][ T8663] veth1: left promiscuous mode
[  858.191064][ T8663] br0: port 2(veth1) entered disabled state
[  858.193423][ T8663] veth0: left allmulticast mode
[  858.193611][ T8663] veth0: left promiscuous mode
[  858.193903][ T8663] br0: port 1(veth0) entered disabled state
[  858.341553][ T8663] bond0: (slave veth1): Releasing backup interface
[  858.493538][ T8663] bond0: (slave veth0): Releasing backup interface
[  858.892883][ T8663] bond0 (unregistering): Released all slaves