[ 2120.950247][T22861] br0: port 1(dummy0) entered blocking state
[ 2120.950495][T22861] br0: port 1(dummy0) entered disabled state
[ 2120.950723][T22861] dummy0: entered allmulticast mode
[ 2120.951810][T22861] dummy0: entered promiscuous mode
[ 2120.975911][T22862] br0: port 1(dummy0) entered blocking state
[ 2120.976223][T22862] br0: port 1(dummy0) entered forwarding state
[ 2122.708348][   T71] dummy0: left allmulticast mode
[ 2122.708605][   T71] dummy0: left promiscuous mode
[ 2122.708825][   T71] br0: port 1(dummy0) entered disabled state