[ 1544.480174][ T7521] veth0: entered allmulticast mode
[ 1544.481006][ T7521] veth1: entered allmulticast mode
[ 1544.481548][ T7521] veth2: entered allmulticast mode
[ 1544.482052][ T7521] veth3: entered allmulticast mode
[ 1566.937553][ T7521] veth0: left allmulticast mode
[ 1566.938025][ T7521] veth1: left allmulticast mode
[ 1566.938458][ T7521] veth2: left allmulticast mode
[ 1566.938837][ T7521] veth3: left allmulticast mode