unable to upgrade?

all tested servers failed:
Quote:

Testing http://slackware.uk/slackware/slackware64-current/ Fail Testing http://ftp.mirrorservice.org/sites/f...are64-current/ Fail Testing http://nephtys.lip6.fr/ftp/pub/linux...are64-current/ Fail Testing http://mirrors.easynews.com/linux/sl...are64-current/ Fail Testing http://mirrors.us.kernel.org/slackwa...are64-current/ Fail Testing http://mirrors.xmission.com/slackwar...are64-current/ Fail Testing https://mirror.slackbuilds.org/slack...are64-current/ Fail Testing http://slackware.cs.utah.edu/pub/sla...are64-current/ Fail Testing http://slackware.mirrors.pair.com/slackware64-current/ Fail Testing http://slackware.mirrors.tds.net/pub...are64-current/ Fail Testing http://spout.ussg.indiana.edu/linux/...are64-current/ Fail Testing http://teewurst.cc.columbia.edu/pub/...are64-current/ Fail