WARNING: ... do_fetch: Failed to fetch URL ..., attempting MIRRORS if available

メッセージ

WARNING: nativesdk-python-smartpm-1.5+gitAUTOINC+407a7eca76-r0 do_fetch: Failed to fetch URL git://github.com/smartpm/smart.git, attempting MIRRORS if available

警告: nativesdk-python-smartpm-1.5+gitAUTOINC+407a7eca76-r0 do_fetch: URL git://github.com/smartpm/smart.git のフェッチに失敗した, ミラーが使えないか試してみる