[ 1220.942480][T20311] br1: port 1(veth1) entered blocking state
[ 1220.942891][T20311] br1: port 1(veth1) entered disabled state
[ 1220.943336][T20311] veth1: entered allmulticast mode
[ 1220.947384][T20311] veth1: entered promiscuous mode
[ 1221.051866][   T37] br1: port 1(veth1) entered blocking state
[ 1221.052360][   T37] br1: port 1(veth1) entered forwarding state
[ 1240.808633][T20450] br1: port 1(veth1) entered disabled state
[ 1240.927724][T20451] veth1: left allmulticast mode
[ 1240.928106][T20451] veth1: left promiscuous mode
[ 1240.928609][T20451] br1: port 1(veth1) entered disabled state