[ 2148.109868][T22780] br0: port 1(dummy0) entered blocking state
[ 2148.110059][T22780] br0: port 1(dummy0) entered disabled state
[ 2148.110225][T22780] dummy0: entered allmulticast mode
[ 2148.111183][T22780] dummy0: entered promiscuous mode
[ 2148.135201][T22781] br0: port 1(dummy0) entered blocking state
[ 2148.135640][T22781] br0: port 1(dummy0) entered forwarding state
[ 2150.007689][   T71] dummy0: left allmulticast mode
[ 2150.008399][   T71] dummy0: left promiscuous mode
[ 2150.008831][   T71] br0: port 1(dummy0) entered disabled state