[  870.520327][ T9548] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  870.617031][ T9549] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  870.697662][ T9550] br0: port 1(veth0) entered blocking state
[  870.697974][ T9550] br0: port 1(veth0) entered disabled state
[  870.698304][ T9550] veth0: entered allmulticast mode
[  870.699898][ T9550] veth0: entered promiscuous mode
[  870.809620][ T9551] br0: port 2(veth1) entered blocking state
[  870.809925][ T9551] br0: port 2(veth1) entered disabled state
[  870.810213][ T9551] veth1: entered allmulticast mode
[  870.811533][ T9551] veth1: entered promiscuous mode
[  871.246661][ T8289] br0: port 1(veth0) entered blocking state
[  871.246942][ T8289] br0: port 1(veth0) entered forwarding state
[  871.247969][ T8289] br0: port 2(veth1) entered blocking state
[  871.248227][ T8289] br0: port 2(veth1) entered forwarding state
[  872.469558][ T8640] bond0: (slave veth1): link status definitely up
[  872.469981][ T8640] bond0: (slave veth1): making interface the new active one
[  872.471352][ T8640] bond0: active interface up!
[  872.922773][ T8640] veth1: left allmulticast mode
[  872.923010][ T8640] veth1: left promiscuous mode
[  872.923579][ T8640] br0: port 2(veth1) entered disabled state
[  872.925783][ T8640] veth0: left allmulticast mode
[  872.926007][ T8640] veth0: left promiscuous mode
[  872.926868][ T8640] br0: port 1(veth0) entered disabled state
[  873.064561][ T8640] bond0: (slave veth1): Releasing backup interface
[  873.160618][ T8640] bond0: (slave veth0): Releasing backup interface
[  873.564213][ T8640] bond0 (unregistering): Released all slaves