handle new UPnP return value (#728)

eth/net/nat.nim

@@ -70,6 +70,8 @@ proc getExternalIP*(natStrategy: NatStrategy, quiet = false): Opt[IpAddress] =
           canContinue = false
         of IGDFound:
           msg = "Internet Gateway Device found."
+        of IGDIpNotRoutable:
+          msg = "Internet Gateway Device found and is connected, but with a reserved or non-routable IP. Trying anyway."
         of IGDNotConnected:
           msg = "Internet Gateway Device found but it's not connected. Trying anyway."
         of NotAnIGD:

tests/p2p/test_protocol_handlers.nim

@@ -1,6 +1,6 @@
 #
 #                 Ethereum P2P
-#              (c) Copyright 2018
+#              (c) Copyright 2018-2024
 #       Status Research & Development GmbH
 #
 #            Licensed under either of
@@ -10,7 +10,6 @@
 {.used.}
 
 import
-  std/tables,
   chronos, testutils/unittests,
   ../../eth/p2p,
   ../stubloglevel,