[ 1533.674528][ T4515] br1: port 1(veth1) entered blocking state
[ 1533.674776][ T4515] br1: port 1(veth1) entered disabled state
[ 1533.675018][ T4515] veth1: entered allmulticast mode
[ 1533.676821][ T4515] veth1: entered promiscuous mode
[ 1533.835924][ T1578] br1: port 1(veth1) entered blocking state
[ 1533.836249][ T1578] br1: port 1(veth1) entered forwarding state
[ 1549.371470][ T4574] br1: port 1(veth1) entered disabled state
[ 1549.515837][ T4575] veth1: left allmulticast mode
[ 1549.516106][ T4575] veth1: left promiscuous mode
[ 1549.517677][ T4575] br1: port 1(veth1) entered disabled state