If the check doesn't abort the port binding in progress, it will be reported twice. Change-Id: I691ebd0f1598193f861c6085341dcd2fb05dd210 Reviewed-on: https://gem5-review.googlesource.com/c/13327 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>