Test UDP channels.

[meshlink] / src / utcp

diff --git a/src/utcp b/src/utcp
index 275129c9d08b2d29529b2f9d039198168aeb52a7..b92868c9f1e00601c1cb5cccc6dc01fdb79de4ca 160000 (submodule)
--- a/src/utcp
+++ b/src/utcp
@@ -1 +1 @@
-Subproject commit 275129c9d08b2d29529b2f9d039198168aeb52a7
+Subproject commit b92868c9f1e00601c1cb5cccc6dc01fdb79de4ca