[  856.669158][ T9547] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.764136][ T9548] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  856.852522][ T9549] br0: port 1(veth0) entered blocking state
[  856.852857][ T9549] br0: port 1(veth0) entered disabled state
[  856.853093][ T9549] veth0: entered allmulticast mode
[  856.854230][ T9549] veth0: entered promiscuous mode
[  856.942202][ T9550] br0: port 2(veth1) entered blocking state
[  856.942514][ T9550] br0: port 2(veth1) entered disabled state
[  856.943561][ T9550] veth1: entered allmulticast mode
[  856.945603][ T9550] veth1: entered promiscuous mode
[  857.880456][  T552] br0: port 1(veth0) entered blocking state
[  857.880738][  T552] br0: port 1(veth0) entered forwarding state
[  857.881912][  T552] br0: port 2(veth1) entered blocking state
[  857.882150][  T552] br0: port 2(veth1) entered forwarding state
[  859.671317][   T11] bond0: (slave veth0): link status definitely up
[  859.672134][   T11] bond0: (slave veth1): link status definitely up
[  859.672439][   T11] bond0: (slave veth0): making interface the new active one
[  859.673990][   T11] bond0: active interface up!
[  859.849021][   T11] veth1: left allmulticast mode
[  859.849238][   T11] veth1: left promiscuous mode
[  859.849546][   T11] br0: port 2(veth1) entered disabled state
[  859.850679][   T11] veth0: left allmulticast mode
[  859.850861][   T11] veth0: left promiscuous mode
[  859.851148][   T11] br0: port 1(veth0) entered disabled state
[  860.018085][   T11] bond0: (slave veth1): Releasing backup interface
[  860.214205][   T11] bond0: (slave veth0): Releasing backup interface
[  860.583431][   T11] bond0 (unregistering): Released all slaves