ClatdController - create tun file descriptor and pass it to clatd

Test: in progress
Bug: 65674744
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I77d4636fb7aca46f4964208a6c44c46dd7eabb48
diff --git a/server/ClatdController.h b/server/ClatdController.h
index 2ea8ee8..5fba070 100644
--- a/server/ClatdController.h
+++ b/server/ClatdController.h
@@ -57,6 +57,8 @@
         pid_t pid = -1;
         unsigned ifIndex;
         char iface[IFNAMSIZ];
+        unsigned v4ifIndex;
+        char v4iface[IFNAMSIZ];
         Fwmark fwmark;
         char fwmarkString[UINT32_STRLEN];
         unsigned netId;