SoftLayer is not mirroring Quantastor versions correctly and has sent out a notice to all QuantaStor customers concerning upgrades.
Note from SoftLayer:
"Customer Identification: OS NEXUS, Inc - Dev Account (238399)
Event Type: Announcement Event
Subject: Event 58084093 - Mirrors for QuantaStor Updates Have Changed
/ Event Description /
The purpose of this notification is to inform you that the Mirrors for QuantaStor updates have changed.
To continue to receive updates from QuantaStor please ensure that you promptly update the /etc/apt/source.list.d/osnexus.list manually using the following command:
sed -i.bak -e 's#http://mirror.service.networklayer.com/osnexus/packages#http://mirror.service.networklayer.com/osnexus#g' /etc/apt/sources.list.d/osnexus.list
If you have any concerns, please open a SoftLayer support ticket for assistance."