[  856.913924][ T9663] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  856.998294][ T9664] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  857.092900][ T9665] br0: port 1(veth0) entered blocking state
[  857.093429][ T9665] br0: port 1(veth0) entered disabled state
[  857.093701][ T9665] veth0: entered allmulticast mode
[  857.094890][ T9665] veth0: entered promiscuous mode
[  857.186668][ T9666] br0: port 2(veth1) entered blocking state
[  857.186954][ T9666] br0: port 2(veth1) entered disabled state
[  857.187557][ T9666] veth1: entered allmulticast mode
[  857.188758][ T9666] veth1: entered promiscuous mode
[  857.605100][ T1230] br0: port 1(veth0) entered blocking state
[  857.605486][ T1230] br0: port 1(veth0) entered forwarding state
[  857.606976][ T1230] br0: port 2(veth1) entered blocking state
[  857.607380][ T1230] br0: port 2(veth1) entered forwarding state
[  858.829470][ T8659] bond0: (slave veth1): link status definitely up
[  858.829908][ T8659] bond0: (slave veth1): making interface the new active one
[  858.831148][ T8659] bond0: active interface up!
[  859.273443][ T8659] veth1: left allmulticast mode
[  859.273661][ T8659] veth1: left promiscuous mode
[  859.273960][ T8659] br0: port 2(veth1) entered disabled state
[  859.277320][ T8659] veth0: left allmulticast mode
[  859.277583][ T8659] veth0: left promiscuous mode
[  859.277988][ T8659] br0: port 1(veth0) entered disabled state
[  859.494625][ T8659] bond0: (slave veth1): Releasing backup interface
[  859.605884][ T8659] bond0: (slave veth0): Releasing backup interface
[  859.808332][ T8659] bond0 (unregistering): Released all slaves