[ 2237.654029][T28166] br0: port 1(dummy0) entered blocking state
[ 2237.654360][T28166] br0: port 1(dummy0) entered disabled state
[ 2237.654645][T28166] dummy0: entered allmulticast mode
[ 2237.655612][T28166] dummy0: entered promiscuous mode
[ 2237.699146][T28167] br0: port 1(dummy0) entered blocking state
[ 2237.700083][T28167] br0: port 1(dummy0) entered forwarding state
[ 2240.135276][   T63] dummy0: left allmulticast mode
[ 2240.136471][   T63] dummy0: left promiscuous mode
[ 2240.136899][   T63] br0: port 1(dummy0) entered disabled state