dnf failed to download repomd.xml from updates

[jd1008]

# dnf distro-sync
Fedora 22 - x86_64 3.1 MB/s |  41 MB     00:13
RPM Fusion for Fedora 22 - Free - 
Updates                                               1.1 kB/s | 399  
B     00:00
RPM Fusion for Fedora 22 - Nonfree - 
Updates                                            2.8 kB/s | 399  B     
00:00
RPM Fusion for Fedora 22 - 
Free                                                         955 kB/s | 
551 kB     00:00
Error: Failed to synchronize cache for repo 'updates' from 
'https://mirrors.fedoraproject.org/metalink?repo=updates-released-f22&arch=x86_64': 
Cannot download repomd.xml: Curl error (56): Failure when receiving data 
from the peer for 
ftp://mirror.lstn.net/fedora/updates/22/x86_64/repodata/repomd.xml 
[response reading failed]