[ 1500.141185][ T7236] br1: port 1(veth1) entered blocking state
[ 1500.141469][ T7236] br1: port 1(veth1) entered disabled state
[ 1500.142244][ T7236] veth1: entered allmulticast mode
[ 1500.144125][ T7236] veth1: entered promiscuous mode
[ 1500.293410][   T52] br1: port 1(veth1) entered blocking state
[ 1500.293713][   T52] br1: port 1(veth1) entered forwarding state
[ 1520.737922][ T7311] br1: port 1(veth1) entered disabled state
[ 1520.890935][ T7312] veth1: left allmulticast mode
[ 1520.891152][ T7312] veth1: left promiscuous mode
[ 1520.891449][ T7312] br1: port 1(veth1) entered disabled state