[  859.819704][ T9729] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  859.934048][ T9730] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  860.016980][ T9731] br0: port 1(veth0) entered blocking state
[  860.018062][ T9731] br0: port 1(veth0) entered disabled state
[  860.018383][ T9731] veth0: entered allmulticast mode
[  860.019673][ T9731] veth0: entered promiscuous mode
[  860.103592][ T9732] br0: port 2(veth1) entered blocking state
[  860.103873][ T9732] br0: port 2(veth1) entered disabled state
[  860.104149][ T9732] veth1: entered allmulticast mode
[  860.105697][ T9732] veth1: entered promiscuous mode
[  860.642980][   T39] br0: port 1(veth0) entered blocking state
[  860.643402][   T39] br0: port 1(veth0) entered forwarding state
[  860.656742][   T39] br0: port 2(veth1) entered blocking state
[  860.656998][   T39] br0: port 2(veth1) entered forwarding state
[  861.762547][   T12] bond0: (slave veth1): link status definitely up
[  861.762950][   T12] bond0: (slave veth1): making interface the new active one
[  861.764374][   T12] bond0: active interface up!
[  862.145565][   T12] veth1: left allmulticast mode
[  862.145801][   T12] veth1: left promiscuous mode
[  862.146158][   T12] br0: port 2(veth1) entered disabled state
[  862.148807][   T12] veth0: left allmulticast mode
[  862.148999][   T12] veth0: left promiscuous mode
[  862.149295][   T12] br0: port 1(veth0) entered disabled state
[  862.284734][   T12] bond0: (slave veth1): Releasing backup interface
[  862.467206][   T12] bond0: (slave veth0): Releasing backup interface
[  862.834037][   T12] bond0 (unregistering): Released all slaves