fix(portforward): rework run loop and fix deadlocks (#1874)

internal/portforward/interfaces.go

@@ -1,10 +1,20 @@
 package portforward
 
-import (
-	"context"
-)
+import "context"
+
+type Service interface {
+	Start(ctx context.Context) (runError <-chan error, err error)
+	Stop() (err error)
+	GetPortForwarded() (port uint16)
+}
 
 type PortAllower interface {
 	SetAllowedPort(ctx context.Context, port uint16, intf string) (err error)
 	RemoveAllowedPort(ctx context.Context, port uint16) (err error)
 }
+
+type Logger interface {
+	Info(s string)
+	Warn(s string)
+	Error(s string)
+}