[  870.046671][ T9603] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.160354][ T9604] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.283176][ T9605] br0: port 1(veth0) entered blocking state
[  870.283592][ T9605] br0: port 1(veth0) entered disabled state
[  870.283969][ T9605] veth0: entered allmulticast mode
[  870.285954][ T9605] veth0: entered promiscuous mode
[  870.386832][ T9606] br0: port 2(veth1) entered blocking state
[  870.387119][ T9606] br0: port 2(veth1) entered disabled state
[  870.387348][ T9606] veth1: entered allmulticast mode
[  870.388573][ T9606] veth1: entered promiscuous mode
[  870.740680][   T40] br0: port 1(veth0) entered blocking state
[  870.740991][   T40] br0: port 1(veth0) entered forwarding state
[  870.742105][   T40] br0: port 2(veth1) entered blocking state
[  870.742377][   T40] br0: port 2(veth1) entered forwarding state
[  872.004813][ T4695] bond0: (slave veth1): link status definitely up
[  872.005424][ T4695] bond0: (slave veth1): making interface the new active one
[  872.007434][ T4695] bond0: active interface up!
[  872.295951][ T8701] veth1: left allmulticast mode
[  872.296218][ T8701] veth1: left promiscuous mode
[  872.296556][ T8701] br0: port 2(veth1) entered disabled state
[  872.305291][ T8701] veth0: left allmulticast mode
[  872.305516][ T8701] veth0: left promiscuous mode
[  872.305840][ T8701] br0: port 1(veth0) entered disabled state
[  872.462189][ T8701] bond0: (slave veth1): Releasing backup interface
[  872.660613][ T8701] bond0: (slave veth0): Releasing backup interface
[  873.031693][ T8701] bond0 (unregistering): Released all slaves