[ 1887.671149][ T2893] br0: port 1(dummy0) entered blocking state
[ 1887.671384][ T2893] br0: port 1(dummy0) entered disabled state
[ 1887.671625][ T2893] dummy0: entered allmulticast mode
[ 1887.672608][ T2893] dummy0: entered promiscuous mode
[ 1887.697123][ T2894] br0: port 1(dummy0) entered blocking state
[ 1887.697519][ T2894] br0: port 1(dummy0) entered forwarding state
[ 1889.687518][   T69] dummy0: left allmulticast mode
[ 1889.688435][   T69] dummy0: left promiscuous mode
[ 1889.688915][   T69] br0: port 1(dummy0) entered disabled state