[ 4973.960494][ T7946] br0: port 1(gw_l) entered blocking state
[ 4973.960896][ T7946] br0: port 1(gw_l) entered disabled state
[ 4973.961283][ T7946] gw_l: entered allmulticast mode
[ 4973.963693][ T7946] gw_l: entered promiscuous mode
[ 4973.965299][ T7946] br0: port 1(gw_l) entered blocking state
[ 4973.965675][ T7946] br0: port 1(gw_l) entered forwarding state
[ 4974.616779][ T7948] br0: port 2(amtg) entered blocking state
[ 4974.617172][ T7948] br0: port 2(amtg) entered disabled state
[ 4974.617559][ T7948] amtg: entered allmulticast mode
[ 4974.619773][ T7948] amtg: entered promiscuous mode
[ 4976.796881][ T7961] br0: port 2(amtg) entered blocking state
[ 4976.797410][ T7961] br0: port 2(amtg) entered forwarding state
[ 4977.575857][   T70] br0: port 1(gw_l) entered disabled state
[ 4977.699393][   T70] gw_l (unregistering): left allmulticast mode
[ 4977.699803][   T70] gw_l (unregistering): left promiscuous mode
[ 4977.700157][   T70] br0: port 1(gw_l) entered disabled state
[ 4977.751529][   T70] amtg: left allmulticast mode
[ 4977.751962][   T70] amtg: left promiscuous mode
[ 4977.752420][   T70] br0: port 2(amtg) entered disabled state