[  855.693118][ T9472] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  855.794439][ T9473] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  855.877046][ T9474] br0: port 1(veth0) entered blocking state
[  855.877368][ T9474] br0: port 1(veth0) entered disabled state
[  855.877642][ T9474] veth0: entered allmulticast mode
[  855.878884][ T9474] veth0: entered promiscuous mode
[  855.990553][ T9475] br0: port 2(veth1) entered blocking state
[  855.990934][ T9475] br0: port 2(veth1) entered disabled state
[  855.991196][ T9475] veth1: entered allmulticast mode
[  855.992473][ T9475] veth1: entered promiscuous mode
[  856.418832][  T155] br0: port 1(veth0) entered blocking state
[  856.419101][  T155] br0: port 1(veth0) entered forwarding state
[  856.420705][  T155] br0: port 2(veth1) entered blocking state
[  856.421021][  T155] br0: port 2(veth1) entered forwarding state
[  857.657706][  T259] bond0: (slave veth1): link status definitely up
[  857.658183][  T259] bond0: (slave veth1): making interface the new active one
[  857.659396][  T259] bond0: active interface up!
[  858.133451][  T259] veth1: left allmulticast mode
[  858.133704][  T259] veth1: left promiscuous mode
[  858.134022][  T259] br0: port 2(veth1) entered disabled state
[  858.136110][  T259] veth0: left allmulticast mode
[  858.136401][  T259] veth0: left promiscuous mode
[  858.136707][  T259] br0: port 1(veth0) entered disabled state
[  858.259667][  T259] bond0: (slave veth1): Releasing backup interface
[  858.373345][  T259] bond0: (slave veth0): Releasing backup interface
[  858.786721][  T259] bond0 (unregistering): Released all slaves