[ 1981.456640][T11771] br0: port 1(dummy0) entered blocking state
[ 1981.456843][T11771] br0: port 1(dummy0) entered disabled state
[ 1981.457016][T11771] dummy0: entered allmulticast mode
[ 1981.458354][T11771] dummy0: entered promiscuous mode
[ 1981.488112][T11772] br0: port 1(dummy0) entered blocking state
[ 1981.488409][T11772] br0: port 1(dummy0) entered forwarding state
[ 1983.313480][   T12] dummy0: left allmulticast mode
[ 1983.313777][   T12] dummy0: left promiscuous mode
[ 1983.313994][   T12] br0: port 1(dummy0) entered disabled state