[ 1671.960680][ T7520] br1: port 1(veth1) entered blocking state
[ 1671.960952][ T7520] br1: port 1(veth1) entered disabled state
[ 1671.961242][ T7520] veth1: entered allmulticast mode
[ 1671.963125][ T7520] veth1: entered promiscuous mode
[ 1672.113102][ T5573] br1: port 1(veth1) entered blocking state
[ 1672.113371][ T5573] br1: port 1(veth1) entered forwarding state
[ 1687.964387][ T7579] br1: port 1(veth1) entered disabled state
[ 1688.119960][ T7580] veth1: left allmulticast mode
[ 1688.120181][ T7580] veth1: left promiscuous mode
[ 1688.120490][ T7580] br1: port 1(veth1) entered disabled state