[  851.734703][ T9884] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  851.839651][ T9885] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  851.916604][ T9886] br0: port 1(veth0) entered blocking state
[  851.916890][ T9886] br0: port 1(veth0) entered disabled state
[  851.917168][ T9886] veth0: entered allmulticast mode
[  851.918463][ T9886] veth0: entered promiscuous mode
[  852.010328][ T9887] br0: port 2(veth1) entered blocking state
[  852.010631][ T9887] br0: port 2(veth1) entered disabled state
[  852.010890][ T9887] veth1: entered allmulticast mode
[  852.012140][ T9887] veth1: entered promiscuous mode
[  852.804605][   T41] br0: port 1(veth0) entered blocking state
[  852.804910][   T41] br0: port 1(veth0) entered forwarding state
[  852.806015][   T41] br0: port 2(veth1) entered blocking state
[  852.806279][   T41] br0: port 2(veth1) entered forwarding state
[  854.724473][  T280] bond0: (slave veth0): link status definitely up
[  854.725081][  T280] bond0: (slave veth1): link status definitely up
[  854.725291][  T280] bond0: (slave veth0): making interface the new active one
[  854.726566][  T280] bond0: active interface up!
[  854.930461][  T280] veth1: left allmulticast mode
[  854.930673][  T280] veth1: left promiscuous mode
[  854.930973][  T280] br0: port 2(veth1) entered disabled state
[  854.934208][  T280] veth0: left allmulticast mode
[  854.934384][  T280] veth0: left promiscuous mode
[  854.934668][  T280] br0: port 1(veth0) entered disabled state
[  855.131727][  T280] bond0: (slave veth1): Releasing backup interface
[  855.299906][  T280] bond0: (slave veth0): Releasing backup interface
[  855.660959][  T280] bond0 (unregistering): Released all slaves