[  837.814470][ T9286] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.912364][ T9287] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.009711][ T9288] br0: port 1(veth0) entered blocking state
[  838.010000][ T9288] br0: port 1(veth0) entered disabled state
[  838.010336][ T9288] veth0: entered allmulticast mode
[  838.011757][ T9288] veth0: entered promiscuous mode
[  838.105431][ T9289] br0: port 2(veth1) entered blocking state
[  838.105743][ T9289] br0: port 2(veth1) entered disabled state
[  838.106008][ T9289] veth1: entered allmulticast mode
[  838.107612][ T9289] veth1: entered promiscuous mode
[  838.491185][ T8670] br0: port 1(veth0) entered blocking state
[  838.491630][ T8670] br0: port 1(veth0) entered forwarding state
[  838.502058][ T8670] br0: port 2(veth1) entered blocking state
[  838.502482][ T8670] br0: port 2(veth1) entered forwarding state
[  839.747685][  T258] bond0: (slave veth1): link status definitely up
[  839.748066][  T258] bond0: (slave veth1): making interface the new active one
[  839.749382][  T258] bond0: active interface up!
[  839.957948][ T4586] veth1: left allmulticast mode
[  839.958182][ T4586] veth1: left promiscuous mode
[  839.958579][ T4586] br0: port 2(veth1) entered disabled state
[  839.960757][ T4586] veth0: left allmulticast mode
[  839.960975][ T4586] veth0: left promiscuous mode
[  839.961355][ T4586] br0: port 1(veth0) entered disabled state
[  840.081057][ T4586] bond0: (slave veth1): Releasing backup interface
[  840.216859][ T4586] bond0: (slave veth0): Releasing backup interface
[  840.562535][ T4586] bond0 (unregistering): Released all slaves