[   51.503603][  T568] bond0: (slave veth0): Enslaving as a backup interface with a down link
[   51.621594][  T569] bond0: (slave veth1): Enslaving as a backup interface with a down link
[   51.738545][  T570] br0: port 1(veth0) entered blocking state
[   51.739063][  T570] br0: port 1(veth0) entered disabled state
[   51.739600][  T570] veth0: entered allmulticast mode
[   51.742333][  T570] veth0: entered promiscuous mode
[   51.869813][  T571] br0: port 2(veth1) entered blocking state
[   51.870205][  T571] br0: port 2(veth1) entered disabled state
[   51.870561][  T571] veth1: entered allmulticast mode
[   51.872584][  T571] veth1: entered promiscuous mode
[   52.103641][   T46] br0: port 1(veth0) entered blocking state
[   52.104174][   T46] br0: port 1(veth0) entered forwarding state
[   52.106042][   T46] br0: port 2(veth1) entered blocking state
[   52.106422][   T46] br0: port 2(veth1) entered forwarding state
[   53.401729][   T12] bond0: (slave veth1): link status definitely up
[   53.402234][   T12] bond0: (slave veth1): making interface the new active one
[   53.403670][   T12] bond0: active interface up!
[   53.739920][   T12] veth1: left allmulticast mode
[   53.740389][   T12] veth1: left promiscuous mode
[   53.740883][   T12] br0: port 2(veth1) entered disabled state
[   53.744155][   T12] veth0: left allmulticast mode
[   53.744449][   T12] veth0: left promiscuous mode
[   53.744908][   T12] br0: port 1(veth0) entered disabled state
[   53.807685][   T12] bond0: (slave veth1): Releasing backup interface
[   53.847779][   T12] bond0: (slave veth0): Releasing backup interface
[   53.926145][   T12] bond0 (unregistering): Released all slaves