ipmgmt_get_ifinfo_nvl
if (ipmgmt_get_ifinfo_nvl(ifname, &if_info_nvl) != 0)
if (ipmgmt_get_ifinfo_nvl(mif_name, &if_info_nvl) != 0)
static int ipmgmt_get_ifinfo_nvl(const char *ifname, nvlist_t **if_info_nvl);