[  838.062815][ T9408] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  838.169513][ T9409] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  838.253883][ T9410] br0: port 1(veth0) entered blocking state
[  838.254146][ T9410] br0: port 1(veth0) entered disabled state
[  838.254421][ T9410] veth0: entered allmulticast mode
[  838.255599][ T9410] veth0: entered promiscuous mode
[  838.342973][ T9411] br0: port 2(veth1) entered blocking state
[  838.343742][ T9411] br0: port 2(veth1) entered disabled state
[  838.343989][ T9411] veth1: entered allmulticast mode
[  838.345266][ T9411] veth1: entered promiscuous mode
[  838.886955][ T8586] br0: port 1(veth0) entered blocking state
[  838.887209][ T8586] br0: port 1(veth0) entered forwarding state
[  838.888154][ T8586] br0: port 2(veth1) entered blocking state
[  838.888370][ T8586] br0: port 2(veth1) entered forwarding state
[  840.007022][  T259] bond0: (slave veth1): link status definitely up
[  840.007444][  T259] bond0: (slave veth1): making interface the new active one
[  840.008319][  T259] bond0: active interface up!
[  840.318425][  T259] veth1: left allmulticast mode
[  840.318717][  T259] veth1: left promiscuous mode
[  840.319185][  T259] br0: port 2(veth1) entered disabled state
[  840.322116][  T259] veth0: left allmulticast mode
[  840.322447][  T259] veth0: left promiscuous mode
[  840.322901][  T259] br0: port 1(veth0) entered disabled state
[  840.467844][  T259] bond0: (slave veth1): Releasing backup interface
[  840.629851][  T259] bond0: (slave veth0): Releasing backup interface
[  840.995472][  T259] bond0 (unregistering): Released all slaves