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

internal/portforward/service/interfaces.go

@@ -0,0 +1,16 @@
+package service
+
+import (
+	"context"
+)
+
+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)
+}