[  868.019651][ T9579] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  868.125093][ T9580] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  868.209748][ T9581] br0: port 1(veth0) entered blocking state
[  868.210019][ T9581] br0: port 1(veth0) entered disabled state
[  868.210272][ T9581] veth0: entered allmulticast mode
[  868.211559][ T9581] veth0: entered promiscuous mode
[  868.307398][ T9582] br0: port 2(veth1) entered blocking state
[  868.307719][ T9582] br0: port 2(veth1) entered disabled state
[  868.308034][ T9582] veth1: entered allmulticast mode
[  868.309865][ T9582] veth1: entered promiscuous mode
[  868.770894][   T56] br0: port 1(veth0) entered blocking state
[  868.771186][   T56] br0: port 1(veth0) entered forwarding state
[  868.772170][   T56] br0: port 2(veth1) entered blocking state
[  868.772420][   T56] br0: port 2(veth1) entered forwarding state
[  869.980791][ T8700] bond0: (slave veth1): link status definitely up
[  869.981191][ T8700] bond0: (slave veth1): making interface the new active one
[  869.982413][ T8700] bond0: active interface up!
[  870.463327][ T8700] veth1: left allmulticast mode
[  870.463565][ T8700] veth1: left promiscuous mode
[  870.463862][ T8700] br0: port 2(veth1) entered disabled state
[  870.465861][ T8700] veth0: left allmulticast mode
[  870.466056][ T8700] veth0: left promiscuous mode
[  870.466737][ T8700] br0: port 1(veth0) entered disabled state
[  870.592429][ T8700] bond0: (slave veth1): Releasing backup interface
[  870.707432][ T8700] bond0: (slave veth0): Releasing backup interface
[  871.082510][ T8700] bond0 (unregistering): Released all slaves