vpp: detect early nosyslog and interactive flags

So error logs are displayed on console earlier....

Type: improvement
Change-Id: If31b76c9d06254b0fec5b5b3f4e92a881b4cf786
Signed-off-by: Damjan Marion <damarion@cisco.com>

src/vpp/vnet/main.c

@@ -269,6 +269,10 @@ main (int argc, char *argv[])
 		main_core = x;
 	    }
 	}
+      else if (!strncmp (argv[i], "interactive", 11))
+	unix_main.flags |= UNIX_FLAG_INTERACTIVE;
+      else if (!strncmp (argv[i], "nosyslog", 8))
+	unix_main.flags |= UNIX_FLAG_NOSYSLOG;
     }
 defaulted: