[ 1500.428998][ T7835] br1: port 1(veth1) entered blocking state
[ 1500.429263][ T7835] br1: port 1(veth1) entered disabled state
[ 1500.429521][ T7835] veth1: entered allmulticast mode
[ 1500.431300][ T7835] veth1: entered promiscuous mode
[ 1500.579665][ T2505] br1: port 1(veth1) entered blocking state
[ 1500.579946][ T2505] br1: port 1(veth1) entered forwarding state
[ 1520.897008][ T7910] br1: port 1(veth1) entered disabled state
[ 1521.049726][ T7911] veth1: left allmulticast mode
[ 1521.049955][ T7911] veth1: left promiscuous mode
[ 1521.050250][ T7911] br1: port 1(veth1) entered disabled state