[  855.798367][ T9447] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.896253][ T9448] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.984974][ T9449] br0: port 1(veth0) entered blocking state
[  855.985261][ T9449] br0: port 1(veth0) entered disabled state
[  855.985531][ T9449] veth0: entered allmulticast mode
[  855.986777][ T9449] veth0: entered promiscuous mode
[  856.090370][ T9450] br0: port 2(veth1) entered blocking state
[  856.091596][ T9450] br0: port 2(veth1) entered disabled state
[  856.092015][ T9450] veth1: entered allmulticast mode
[  856.093223][ T9450] veth1: entered promiscuous mode
[  856.971113][  T193] br0: port 1(veth0) entered blocking state
[  856.971380][  T193] br0: port 1(veth0) entered forwarding state
[  856.972353][  T193] br0: port 2(veth1) entered blocking state
[  856.972594][  T193] br0: port 2(veth1) entered forwarding state
[  858.827078][ T8556] bond0: (slave veth0): link status definitely up
[  858.828352][ T8556] bond0: (slave veth1): link status definitely up
[  858.828559][ T8556] bond0: (slave veth0): making interface the new active one
[  858.829740][ T8556] bond0: active interface up!
[  859.295210][ T8556] veth1: left allmulticast mode
[  859.295464][ T8556] veth1: left promiscuous mode
[  859.295803][ T8556] br0: port 2(veth1) entered disabled state
[  859.297081][ T8556] veth0: left allmulticast mode
[  859.297294][ T8556] veth0: left promiscuous mode
[  859.297611][ T8556] br0: port 1(veth0) entered disabled state
[  859.459944][ T8556] bond0: (slave veth1): Releasing backup interface
[  859.555929][ T8556] bond0: (slave veth0): Releasing backup interface
[  859.764650][ T8556] bond0 (unregistering): Released all slaves