$ git fetch origin
Fetching refs/heads/master from http://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/ using http
Auto-following refs/tags/v2.6.20
Auto-following refs/tags/v2.6.20
Auto-following refs/tags/v2.6.20-rc1
Auto-following refs/tags/v2.6.20-rc1
Auto-following refs/tags/v2.6.20-rc2
Auto-following refs/tags/v2.6.20-rc2
Auto-following refs/tags/v2.6.20-rc3
Auto-following refs/tags/v2.6.20-rc3
Auto-following refs/tags/v2.6.20-rc4
Auto-following refs/tags/v2.6.20-rc4
Auto-following refs/tags/v2.6.20-rc5
Auto-following refs/tags/v2.6.20-rc5
Auto-following refs/tags/v2.6.20-rc6
Auto-following refs/tags/v2.6.20-rc6
Auto-following refs/tags/v2.6.20-rc7
Auto-following refs/tags/v2.6.20-rc7
Failed to fetch refs/tags/v2.6.20 from http://www.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git/