Update - Error downloading packages

I still cant update:

[root@neth1 ~]# yum --enablerepo=* clean all && yum update -y
Loaded plugins: changelog, fastestmirror, nethserver_events
Cleaning repos: C7.0.1406-base C7.0.1406-centosplus C7.0.1406-extras C7.0.1406-fasttrack C7.0.1406-updates C7.1.1503-base C7.1.1503-centosplus C7.1.1503-extras
              : C7.1.1503-fasttrack C7.1.1503-updates C7.2.1511-base C7.2.1511-centosplus C7.2.1511-extras C7.2.1511-fasttrack C7.2.1511-updates C7.3.1611-base
              : C7.3.1611-centosplus C7.3.1611-extras C7.3.1611-fasttrack C7.3.1611-updates C7.4.1708-base C7.4.1708-centosplus C7.4.1708-extras C7.4.1708-fasttrack
              : C7.4.1708-updates C7.5.1804-base C7.5.1804-centosplus C7.5.1804-extras C7.5.1804-fasttrack C7.5.1804-updates base base-debuginfo base-source c7-media ce-base
              : ce-extras ce-updates centos-sclo-rh centos-sclo-rh-debuginfo centos-sclo-rh-source centos-sclo-rh-testing centos-sclo-sclo centos-sclo-sclo-debuginfo
              : centos-sclo-sclo-source centos-sclo-sclo-testing centosplus centosplus-source cr epel epel-debuginfo epel-source epel-testing epel-testing-debuginfo
              : epel-testing-source extras extras-source fasttrack nethforge nethforge-testing nethserver-base nethserver-testing nethserver-updates sb-base
              : sb-centos-sclo-rh sb-centos-sclo-sclo sb-epel sb-extras sb-nethserver-base sb-nethserver-updates sb-updates updates updates-source
Cleaning up list of fastest mirrors
Loaded plugins: changelog, fastestmirror, nethserver_events
Determining fastest mirrors
epel/x86_64/metalink                                                                                                                                  |  33 kB  00:00:00     
 * base: ftp.tugraz.at
 * epel: mirror.wiuwiu.de
 * extras: ftp.tugraz.at
 * nethforge: server.liftingtrade.hu
 * nethserver-base: server.liftingtrade.hu
 * nethserver-updates: server.liftingtrade.hu
 * updates: mirror.infonline.de
base                                                                                                                                                  | 3.6 kB  00:00:00     
centos-sclo-rh                                                                                                                                        | 3.0 kB  00:00:00     
centos-sclo-sclo                                                                                                                                      | 2.9 kB  00:00:00     
epel                                                                                                                                                  | 4.7 kB  00:00:00     
extras                                                                                                                                                | 3.4 kB  00:00:00     
nethforge/7/x86_64/signature                                                                                                                          |  836 B  00:00:00     
nethforge/7/x86_64/signature                                                                                                                          | 4.1 kB  00:00:00 !!! 
nethserver-base/7/x86_64/signature                                                                                                                    |  836 B  00:00:00     
nethserver-base/7/x86_64/signature                                                                                                                    | 2.9 kB  00:00:00 !!! 
nethserver-updates/7/x86_64/signature                                                                                                                 |  836 B  00:00:00     
nethserver-updates/7/x86_64/signature                                                                                                                 | 4.1 kB  00:00:00 !!! 
updates                                                                                                                                               | 3.4 kB  00:00:00     
(1/14): base/7/x86_64/group_gz                                                                                                                        | 166 kB  00:00:01     
(2/14): epel/x86_64/group_gz                                                                                                                          |  88 kB  00:00:01     
(3/14): centos-sclo-sclo/x86_64/primary_db                                                                                                            | 257 kB  00:00:02     
(4/14): extras/7/x86_64/primary_db                                                                                                                    | 156 kB  00:00:02     
(5/14): nethforge/7/x86_64/group_gz                                                                                                                   | 1.1 kB  00:00:01     
(6/14): nethforge/7/x86_64/primary_db                                                                                                                 |  17 kB  00:00:02     
(7/14): epel/x86_64/updateinfo                                                                                                                        | 953 kB  00:00:09     
(8/14): nethserver-updates/7/x86_64/group_gz                                                                                                          |  20 kB  00:00:07     
(9/14): nethserver-base/7/x86_64/primary_db                                                                                                           | 331 kB  00:00:15     
(10/14): epel/x86_64/primary_db                                                                                                                       | 6.6 MB  00:00:25     
(11/14): base/7/x86_64/primary_db                                                                                                                     | 6.0 MB  00:00:26     
(12/14): nethserver-updates/7/x86_64/primary_db                                                                                                       |  69 kB  00:00:12     
(13/14): centos-sclo-rh/x86_64/primary_db                                                                                                             | 3.6 MB  00:00:31     
(14/14): updates/7/x86_64/primary_db                                                                                                                  | 1.3 MB  00:00:07     
Resolving Dependencies
--> Running transaction check
---> Package NetworkManager.x86_64 1:1.12.0-6.el7 will be updated
---> Package NetworkManager.x86_64 1:1.12.0-8.el7_6 will be an update
---> Package NetworkManager-libnm.x86_64 1:1.12.0-6.el7 will be updated
---> Package NetworkManager-libnm.x86_64 1:1.12.0-8.el7_6 will be an update
---> Package NetworkManager-team.x86_64 1:1.12.0-6.el7 will be updated
---> Package NetworkManager-team.x86_64 1:1.12.0-8.el7_6 will be an update
---> Package NetworkManager-tui.x86_64 1:1.12.0-6.el7 will be updated
---> Package NetworkManager-tui.x86_64 1:1.12.0-8.el7_6 will be an update
---> Package NetworkManager-wifi.x86_64 1:1.12.0-6.el7 will be updated
---> Package NetworkManager-wifi.x86_64 1:1.12.0-8.el7_6 will be an update
---> Package cronie.x86_64 0:1.4.11-19.el7 will be updated
---> Package cronie.x86_64 0:1.4.11-20.el7_6 will be an update
---> Package cronie-anacron.x86_64 0:1.4.11-19.el7 will be updated
---> Package cronie-anacron.x86_64 0:1.4.11-20.el7_6 will be an update
---> Package device-mapper.x86_64 7:1.02.149-8.el7 will be updated
---> Package device-mapper.x86_64 7:1.02.149-10.el7_6.2 will be an update
---> Package device-mapper-event.x86_64 7:1.02.149-8.el7 will be updated
---> Package device-mapper-event.x86_64 7:1.02.149-10.el7_6.2 will be an update
---> Package device-mapper-event-libs.x86_64 7:1.02.149-8.el7 will be updated
---> Package device-mapper-event-libs.x86_64 7:1.02.149-10.el7_6.2 will be an update
---> Package device-mapper-libs.x86_64 7:1.02.149-8.el7 will be updated
---> Package device-mapper-libs.x86_64 7:1.02.149-10.el7_6.2 will be an update
---> Package ipset.x86_64 0:6.38-2.el7 will be updated
---> Package ipset.x86_64 0:6.38-3.el7_6 will be an update
---> Package ipset-libs.x86_64 0:6.38-2.el7 will be updated
---> Package ipset-libs.x86_64 0:6.38-3.el7_6 will be an update
---> Package kernel.x86_64 0:3.10.0-957.1.3.el7 will be installed
---> Package kernel-tools.x86_64 0:3.10.0-957.el7 will be updated
---> Package kernel-tools.x86_64 0:3.10.0-957.1.3.el7 will be an update
---> Package kernel-tools-libs.x86_64 0:3.10.0-957.el7 will be updated
---> Package kernel-tools-libs.x86_64 0:3.10.0-957.1.3.el7 will be an update
---> Package lvm2.x86_64 7:2.02.180-8.el7 will be updated
---> Package lvm2.x86_64 7:2.02.180-10.el7_6.2 will be an update
---> Package lvm2-libs.x86_64 7:2.02.180-8.el7 will be updated
---> Package lvm2-libs.x86_64 7:2.02.180-10.el7_6.2 will be an update
---> Package nethserver-base.noarch 0:3.6.1-1.ns7 will be updated
---> Package nethserver-base.noarch 0:3.6.2-1.ns7 will be an update
---> Package nethserver-mail-smarthost.noarch 0:2.4.2-1.ns7 will be updated
---> Package nethserver-mail-smarthost.noarch 0:2.4.3-1.ns7 will be an update
---> Package nethserver-release.noarch 0:7-11.ns7 will be updated
---> Package nethserver-release.noarch 0:7-12.ns7 will be an update
---> Package nethserver-subscription.noarch 0:3.2.1-1.ns7 will be updated
---> Package nethserver-subscription.noarch 0:3.3.2-1.ns7 will be an update
--> Processing Dependency: jq for package: nethserver-subscription-3.3.2-1.ns7.noarch
---> Package nethserver-subscription-ui.noarch 0:3.2.1-1.ns7 will be updated
---> Package nethserver-subscription-ui.noarch 0:3.3.2-1.ns7 will be an update
---> Package python-perf.x86_64 0:3.10.0-957.el7 will be updated
---> Package python-perf.x86_64 0:3.10.0-957.1.3.el7 will be an update
---> Package selinux-policy.noarch 0:3.13.1-229.el7 will be updated
---> Package selinux-policy.noarch 0:3.13.1-229.el7_6.6 will be an update
---> Package selinux-policy-targeted.noarch 0:3.13.1-229.el7 will be updated
---> Package selinux-policy-targeted.noarch 0:3.13.1-229.el7_6.6 will be an update
---> Package tzdata.noarch 0:2018e-3.el7 will be updated
---> Package tzdata.noarch 0:2018i-1.el7 will be an update
--> Running transaction check
---> Package jq.x86_64 0:1.5-1.el7 will be installed
--> Processing Dependency: libonig.so.2()(64bit) for package: jq-1.5-1.el7.x86_64
--> Running transaction check
---> Package oniguruma.x86_64 0:5.9.5-3.el7 will be installed
--> Finished Dependency Resolution

Dependencies Resolved

=============================================================================================================================================================================
 Package                                          Arch                         Version                                        Repository                                Size
=============================================================================================================================================================================
Installing:
 kernel                                           x86_64                       3.10.0-957.1.3.el7                             updates                                   48 M
Updating:
 NetworkManager                                   x86_64                       1:1.12.0-8.el7_6                               updates                                  1.7 M
 NetworkManager-libnm                             x86_64                       1:1.12.0-8.el7_6                               updates                                  1.4 M
 NetworkManager-team                              x86_64                       1:1.12.0-8.el7_6                               updates                                  159 k
 NetworkManager-tui                               x86_64                       1:1.12.0-8.el7_6                               updates                                  239 k
 NetworkManager-wifi                              x86_64                       1:1.12.0-8.el7_6                               updates                                  187 k
 cronie                                           x86_64                       1.4.11-20.el7_6                                updates                                   91 k
 cronie-anacron                                   x86_64                       1.4.11-20.el7_6                                updates                                   36 k
 device-mapper                                    x86_64                       7:1.02.149-10.el7_6.2                          updates                                  292 k
 device-mapper-event                              x86_64                       7:1.02.149-10.el7_6.2                          updates                                  188 k
 device-mapper-event-libs                         x86_64                       7:1.02.149-10.el7_6.2                          updates                                  187 k
 device-mapper-libs                               x86_64                       7:1.02.149-10.el7_6.2                          updates                                  320 k
 ipset                                            x86_64                       6.38-3.el7_6                                   updates                                   43 k
 ipset-libs                                       x86_64                       6.38-3.el7_6                                   updates                                   50 k
 kernel-tools                                     x86_64                       3.10.0-957.1.3.el7                             updates                                  7.1 M
 kernel-tools-libs                                x86_64                       3.10.0-957.1.3.el7                             updates                                  7.0 M
 lvm2                                             x86_64                       7:2.02.180-10.el7_6.2                          updates                                  1.3 M
 lvm2-libs                                        x86_64                       7:2.02.180-10.el7_6.2                          updates                                  1.1 M
 nethserver-base                                  noarch                       3.6.2-1.ns7                                    nethserver-updates                       247 k
 nethserver-mail-smarthost                        noarch                       2.4.3-1.ns7                                    nethserver-updates                        45 k
 nethserver-release                               noarch                       7-12.ns7                                       nethserver-updates                        25 k
 nethserver-subscription                          noarch                       3.3.2-1.ns7                                    nethserver-updates                        50 k
 nethserver-subscription-ui                       noarch                       3.3.2-1.ns7                                    nethserver-updates                        25 k
 python-perf                                      x86_64                       3.10.0-957.1.3.el7                             updates                                  7.1 M
 selinux-policy                                   noarch                       3.13.1-229.el7_6.6                             updates                                  483 k
 selinux-policy-targeted                          noarch                       3.13.1-229.el7_6.6                             updates                                  6.9 M
 tzdata                                           noarch                       2018i-1.el7                                    updates                                  490 k
Installing for dependencies:
 jq                                               x86_64                       1.5-1.el7                                      epel                                     153 k
 oniguruma                                        x86_64                       5.9.5-3.el7                                    epel                                     129 k

Transaction Summary
=============================================================================================================================================================================
Install   1 Package  (+2 Dependent packages)
Upgrade  26 Packages