[ 2130.080055][T27882] br0: port 1(dummy0) entered blocking state
[ 2130.080292][T27882] br0: port 1(dummy0) entered disabled state
[ 2130.080506][T27882] dummy0: entered allmulticast mode
[ 2130.081447][T27882] dummy0: entered promiscuous mode
[ 2130.104572][T27883] br0: port 1(dummy0) entered blocking state
[ 2130.104755][T27883] br0: port 1(dummy0) entered forwarding state
[ 2132.079241][   T12] dummy0: left allmulticast mode
[ 2132.079484][   T12] dummy0: left promiscuous mode
[ 2132.079781][   T12] br0: port 1(dummy0) entered disabled state