[  856.499224][ T9559] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.588536][ T9560] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  856.681363][ T9561] br0: port 1(veth0) entered blocking state
[  856.681677][ T9561] br0: port 1(veth0) entered disabled state
[  856.681914][ T9561] veth0: entered allmulticast mode
[  856.683070][ T9561] veth0: entered promiscuous mode
[  856.789020][ T9562] br0: port 2(veth1) entered blocking state
[  856.789482][ T9562] br0: port 2(veth1) entered disabled state
[  856.789899][ T9562] veth1: entered allmulticast mode
[  856.792086][ T9562] veth1: entered promiscuous mode
[  857.309741][   T40] br0: port 1(veth0) entered blocking state
[  857.310029][   T40] br0: port 1(veth0) entered forwarding state
[  857.311021][   T40] br0: port 2(veth1) entered blocking state
[  857.311261][   T40] br0: port 2(veth1) entered forwarding state
[  858.502775][ T8378] bond0: (slave veth1): link status definitely up
[  858.503531][ T8378] bond0: (slave veth1): making interface the new active one
[  858.505223][ T8378] bond0: active interface up!
[  858.846419][  T264] veth1: left allmulticast mode
[  858.846664][  T264] veth1: left promiscuous mode
[  858.846966][  T264] br0: port 2(veth1) entered disabled state
[  858.849205][  T264] veth0: left allmulticast mode
[  858.849415][  T264] veth0: left promiscuous mode
[  858.849705][  T264] br0: port 1(veth0) entered disabled state
[  858.971694][  T264] bond0: (slave veth1): Releasing backup interface
[  859.072581][  T264] bond0: (slave veth0): Releasing backup interface
[  859.446967][  T264] bond0 (unregistering): Released all slaves