ipd_ctl
rval = ipd_ctl(fd, g_zid, &ic);
rval = ipd_ctl(fd, g_zid, &ic);
rval = ipd_ctl(fd, g_zid, &ic);
rval = ipd_ctl(fd, g_zid, &ic);
extern int ipd_ctl(int, zoneid_t, const ipd_config_t *);