[ 2163.561802][T25027] br0: port 1(dummy0) entered blocking state
[ 2163.561998][T25027] br0: port 1(dummy0) entered disabled state
[ 2163.562157][T25027] dummy0: entered allmulticast mode
[ 2163.563009][T25027] dummy0: entered promiscuous mode
[ 2163.587395][T25028] br0: port 1(dummy0) entered blocking state
[ 2163.587982][T25028] br0: port 1(dummy0) entered forwarding state
[ 2165.449063][   T12] dummy0: left allmulticast mode
[ 2165.450083][   T12] dummy0: left promiscuous mode
[ 2165.450316][   T12] br0: port 1(dummy0) entered disabled state