[  857.663243][ T9639] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  857.750797][ T9640] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  857.840286][ T9641] br0: port 1(veth0) entered blocking state
[  857.840605][ T9641] br0: port 1(veth0) entered disabled state
[  857.840882][ T9641] veth0: entered allmulticast mode
[  857.842070][ T9641] veth0: entered promiscuous mode
[  857.962379][ T9642] br0: port 2(veth1) entered blocking state
[  857.962684][ T9642] br0: port 2(veth1) entered disabled state
[  857.962939][ T9642] veth1: entered allmulticast mode
[  857.964192][ T9642] veth1: entered promiscuous mode
[  858.459922][ T8804] br0: port 1(veth0) entered blocking state
[  858.460305][ T8804] br0: port 1(veth0) entered forwarding state
[  858.461397][ T8804] br0: port 2(veth1) entered blocking state
[  858.461628][ T8804] br0: port 2(veth1) entered forwarding state
[  859.644878][ T8525] bond0: (slave veth1): link status definitely up
[  859.645664][ T8525] bond0: (slave veth1): making interface the new active one
[  859.647603][ T8525] bond0: active interface up!
[  860.021207][ T8525] veth1: left allmulticast mode
[  860.021621][ T8525] veth1: left promiscuous mode
[  860.022115][ T8525] br0: port 2(veth1) entered disabled state
[  860.025176][ T8525] veth0: left allmulticast mode
[  860.025439][ T8525] veth0: left promiscuous mode
[  860.026557][ T8525] br0: port 1(veth0) entered disabled state
[  860.207636][ T8525] bond0: (slave veth1): Releasing backup interface
[  860.403034][ T8525] bond0: (slave veth0): Releasing backup interface
[  860.795194][ T8525] bond0 (unregistering): Released all slaves