[ 2054.263442][ T2457] br0: port 1(dummy0) entered blocking state
[ 2054.263958][ T2457] br0: port 1(dummy0) entered disabled state
[ 2054.264196][ T2457] dummy0: entered allmulticast mode
[ 2054.265316][ T2457] dummy0: entered promiscuous mode
[ 2054.285507][ T2458] br0: port 1(dummy0) entered blocking state
[ 2054.285823][ T2458] br0: port 1(dummy0) entered forwarding state
[ 2056.137687][   T70] dummy0: left allmulticast mode
[ 2056.137980][   T70] dummy0: left promiscuous mode
[ 2056.138197][   T70] br0: port 1(dummy0) entered disabled state