vxlan: remove mandatory peeraddr

vxlan can be configured without a peer address. This is used to prepare
an interface and add peers later.

Fixes: FS#2743

Signed-off-by: Johannes Kimmel <fff@bareminimum.eu>
Acked-by: Matthias Schiffer <mschiffer@universe-factory.net>

package/network/config/vxlan/files/vxlan.sh

@@ -55,12 +55,6 @@ proto_vxlan_setup() {
 	local ipaddr peeraddr
 	json_get_vars ipaddr peeraddr tunlink
 
-	[ -z "$peeraddr" ] && {
-		proto_notify_error "$cfg" "MISSING_ADDRESS"
-		proto_block_restart "$cfg"
-		exit
-	}
-
 	( proto_add_host_dependency "$cfg" '' "$tunlink" )
 
 	[ -z "$ipaddr" ] && {
@@ -85,12 +79,6 @@ proto_vxlan6_setup() {
 	local ip6addr peer6addr
 	json_get_vars ip6addr peer6addr tunlink
 
-	[ -z "$peer6addr" ] && {
-		proto_notify_error "$cfg" "MISSING_ADDRESS"
-		proto_block_restart "$cfg"
-		exit
-	}
-
 	( proto_add_host_dependency "$cfg" '' "$tunlink" )
 
 	[ -z "$ip6addr" ] && {