[  864.512417][ T9597] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  864.604654][ T9598] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  864.702451][ T9599] br0: port 1(veth0) entered blocking state
[  864.703110][ T9599] br0: port 1(veth0) entered disabled state
[  864.703376][ T9599] veth0: entered allmulticast mode
[  864.704639][ T9599] veth0: entered promiscuous mode
[  864.806379][ T9600] br0: port 2(veth1) entered blocking state
[  864.806865][ T9600] br0: port 2(veth1) entered disabled state
[  864.807281][ T9600] veth1: entered allmulticast mode
[  864.809337][ T9600] veth1: entered promiscuous mode
[  865.482146][   T56] br0: port 1(veth0) entered blocking state
[  865.482466][   T56] br0: port 1(veth0) entered forwarding state
[  865.484070][   T56] br0: port 2(veth1) entered blocking state
[  865.484333][   T56] br0: port 2(veth1) entered forwarding state
[  867.508110][ T8740] bond0: (slave veth0): link status definitely up
[  867.508897][ T8740] bond0: (slave veth1): link status definitely up
[  867.509175][ T8740] bond0: (slave veth0): making interface the new active one
[  867.511034][ T8740] bond0: active interface up!
[  867.873079][ T8740] veth1: left allmulticast mode
[  867.873347][ T8740] veth1: left promiscuous mode
[  867.873746][ T8740] br0: port 2(veth1) entered disabled state
[  867.875840][ T8740] veth0: left allmulticast mode
[  867.876053][ T8740] veth0: left promiscuous mode
[  867.876335][ T8740] br0: port 1(veth0) entered disabled state
[  868.047642][ T8740] bond0: (slave veth1): Releasing backup interface
[  868.160232][ T8740] bond0: (slave veth0): Releasing backup interface
[  868.508015][ T8740] bond0 (unregistering): Released all slaves