Allow candidates on local routes if more specific than vpn routes (#2097)

util/net/net.go

@@ -1,9 +1,11 @@
 package net
 
 import (
-	"github.com/netbirdio/netbird/iface/netstack"
+	"net"
 	"os"
 
+	"github.com/netbirdio/netbird/iface/netstack"
+
 	"github.com/google/uuid"
 )
 
@@ -18,6 +20,9 @@ const (
 // It's used to track connections throughout their lifecycle so the close hook can correlate with the dial hook.
 type ConnectionID string
 
+type AddHookFunc func(connID ConnectionID, IP net.IP) error
+type RemoveHookFunc func(connID ConnectionID) error
+
 // GenerateConnID generates a unique identifier for each connection.
 func GenerateConnID() ConnectionID {
 	return ConnectionID(uuid.NewString())