pf_state_import
if (pf_state_import(sp, PFSYNC_SI_PFSYNC) == ENOMEM) {
error = pf_state_import(sp, PFSYNC_SI_PFSYNC);
error = pf_state_import(sp, PFSYNC_SI_IOCTL);
int pf_state_import(const struct pfsync_state *,