tun2: don't goroutine it up, not fam

lib/tun2/server.go

@@ -158,33 +158,28 @@ func (s *Server) ListenAndServe() error {
 			s.connlock.Lock()
 
 			for _, c := range s.conns {
-				go func() {
 				req, err := http.NewRequest("GET", "http://backend/health", nil)
 				if err != nil {
 					panic(err)
 				}
 
-					ln.Log(c.F(), ln.F{
-						"action": "sending_ping",
-					})
-
 				stream, err := c.session.OpenStream()
 				if err != nil {
-						ln.Error(err)
+					ln.Error(err, c.F())
 
 					c.cancel()
 				}
 
 				err = req.Write(stream)
 				if err != nil {
-						ln.Error(err)
+					ln.Error(err, c.F())
 
 					c.cancel()
 				}
 
 				_, err = stream.Read(make([]byte, 30))
 				if err != nil {
-						ln.Error(err)
+					ln.Error(err, c.F())
 					c.cancel()
 				}
 
@@ -193,7 +188,6 @@ func (s *Server) ListenAndServe() error {
 				ln.Log(ln.F{
 					"action": "ping_health_is_good",
 				}, c.F())
-				}()
 			}
 
 			s.connlock.Unlock()