[  837.241606][ T9343] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.377604][ T9344] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.479329][ T9345] br0: port 1(veth0) entered blocking state
[  837.479619][ T9345] br0: port 1(veth0) entered disabled state
[  837.479884][ T9345] veth0: entered allmulticast mode
[  837.481092][ T9345] veth0: entered promiscuous mode
[  837.585545][ T9346] br0: port 2(veth1) entered blocking state
[  837.585840][ T9346] br0: port 2(veth1) entered disabled state
[  837.586091][ T9346] veth1: entered allmulticast mode
[  837.587641][ T9346] veth1: entered promiscuous mode
[  837.891022][   T39] br0: port 1(veth0) entered blocking state
[  837.891481][   T39] br0: port 1(veth0) entered forwarding state
[  837.892978][   T39] br0: port 2(veth1) entered blocking state
[  837.893392][   T39] br0: port 2(veth1) entered forwarding state
[  839.186897][ T8703] bond0: (slave veth1): link status definitely up
[  839.187455][ T8703] bond0: (slave veth1): making interface the new active one
[  839.188793][ T8703] bond0: active interface up!
[  839.502987][ T8703] veth1: left allmulticast mode
[  839.503255][ T8703] veth1: left promiscuous mode
[  839.503643][ T8703] br0: port 2(veth1) entered disabled state
[  839.505959][ T8703] veth0: left allmulticast mode
[  839.506173][ T8703] veth0: left promiscuous mode
[  839.506525][ T8703] br0: port 1(veth0) entered disabled state
[  839.638672][ T8703] bond0: (slave veth1): Releasing backup interface
[  839.729902][ T8703] bond0: (slave veth0): Releasing backup interface
[  840.081570][ T8703] bond0 (unregistering): Released all slaves