failure: repodata/repomd.xml from centos-virt-xen-48: [Errno 256] No more mirrors to try. http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" http://mirror.centos.org/centos/7/virt/x86_64/xen-48/repodata/repomd.xml: [Errno 14] curl#7 - "Failed to connect to 2607:5600:59b::10: Network is unreachable" ...