MLXCX_ATTACH_PORTS
if (mlxp->mlx_attach & MLXCX_ATTACH_PORTS) {
mlxp->mlx_attach &= ~MLXCX_ATTACH_PORTS;
mlxp->mlx_attach |= MLXCX_ATTACH_PORTS;
VERIFY((mlxp->mlx_attach & MLXCX_ATTACH_PORTS) != 0);