在更新portage树的时候,出现以下提示:
!!! Rsync has not successfully finished. It is recommended that you keep
!!! trying or that you use the 'emerge-webrsync' option if you are unable
!!! to use rsync due to firewall or other restrictions. This should be a
!!! temporary problem unless complications exist with your network
!!! (and possibly your system's filesystem) configuration.