[ 1550.047733][ T7515] br1: port 1(veth1) entered blocking state
[ 1550.048238][ T7515] br1: port 1(veth1) entered disabled state
[ 1550.048667][ T7515] veth1: entered allmulticast mode
[ 1550.053104][ T7515] veth1: entered promiscuous mode
[ 1550.162172][  T252] br1: port 1(veth1) entered blocking state
[ 1550.162623][  T252] br1: port 1(veth1) entered forwarding state
[ 1564.920892][ T7614] br1: port 1(veth1) entered disabled state
[ 1565.029891][ T7615] veth1: left allmulticast mode
[ 1565.030229][ T7615] veth1: left promiscuous mode
[ 1565.030712][ T7615] br1: port 1(veth1) entered disabled state