ipoe: ignore start=auto for shared=1 interfaces

accel-pppd/ctrl/ipoe/ipoe.c

@@ -2536,11 +2536,14 @@ static void add_interface(const char *ifname, int ifindex, const char *opt, int
 		}
 	}
 
-	if (!opt_up && !opt_dhcpv4) {
+	if (!opt_up && !opt_dhcpv4 && !opt_auto) {
 		opt_up = conf_up;
 		opt_dhcpv4 = conf_dhcpv4;
+		opt_auto = conf_auto;
 	}
 
+	opt_auto &= !opt_shared;
+
 	if (opt_relay && !opt_giaddr && opt_dhcpv4) {
 		struct sockaddr_in addr;
 		int sock;
@@ -2601,8 +2604,6 @@ static void add_interface(const char *ifname, int ifindex, const char *opt, int
 		} else if (!serv->arp && conf_arp)
 			serv->arp = arpd_start(serv);
 
-		opt_auto &= !opt_shared;
-
 		serv->opt_up = opt_up;
 		serv->opt_auto = opt_auto;
 		serv->opt_mode = opt_mode;
@@ -3235,6 +3236,8 @@ static void load_config(void)
 	if (!s)
 		return;
 
+	net = &def_net;
+
 	opt = conf_get_opt("ipoe", "username");
 	if (opt) {
 		if (strcmp(opt, "ifname") == 0)