Keep retrying if there is no interface

src/main.zig

@@ -146,7 +146,13 @@ pub fn main(init: std.process.Init) !void {
 
     if (flags.connect != null) {
         reconnect: while (true) {
-            client = try .init();
+            client = SaprusClient.init() catch |err| switch (err) {
+                error.NoInterfaceFound => {
+                    try init.io.sleep(.fromMilliseconds(100), .boot);
+                    continue :reconnect;
+                },
+                else => |e| return e,
+            };
             defer client.deinit();
             log.debug("Starting connection", .{});