apt mirror seems broken in provisioning

E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-updates/main/dep11/icons-48x48.tar.gz  File has unexpected size (73804 != 73850). Mirror sync in progress? [IP: 10.212.0.6 3128]
   Hashes of expected file:
    - Filesize:73850 [weak]
    - SHA256:c5afb4167e9ce3066e3acee976271d96032c2bfca8906c8bec5fc756af3e3939
    - SHA1:247acdd3d3086adb53b42627b6ab48c96592b6d0 [weak]
    - MD5Sum:20152d5e8c8a9fca71b80e4fb0196bb1 [weak]
   Release file created at: Mon, 11 Nov 2019 11:10:26 +0000
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-updates/main/dep11/icons-64x64.tar.gz  
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-updates/universe/dep11/icons-48x48.tar.gz  
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-updates/universe/dep11/icons-64x64.tar.gz  
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-backports/universe/dep11/Components-amd64.yml.gz  File has unexpected size (8596 != 8654). Mirror sync in progress? [IP: 10.212.0.6 3128]
   Hashes of expected file:
    - Filesize:8654 [weak]
    - SHA256:cc0f28bbae7f31e20348126f0fbf612d6ce80024b3dbfcd6c74805ed16fd127b
    - SHA1:de0d66e3f36665e52276360b863703ea95d02462 [weak]
    - MD5Sum:c5a12b5d14896ebc50243ab8ab964194 [weak]
   Release file created at: Mon, 11 Nov 2019 11:11:31 +0000
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-security/main/dep11/icons-48x48.tar.gz  File has unexpected size (17565 != 17569). Mirror sync in progress? [IP: 10.212.0.6 3128]
   Hashes of expected file:
    - Filesize:17569 [weak]
    - SHA256:36529a1bba2cd9712308e2c2ce9cdd4857baa8f87ef56ef9d6f7974c20a50cb4
    - SHA1:b64125799192327da937ff2f8d71c6d4d590047d [weak]
    - MD5Sum:a79e5d8054e3ac61ddd9800f30a78992 [weak]
   Release file created at: Mon, 11 Nov 2019 11:09:43 +0000
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-security/main/dep11/icons-64x64.tar.gz  
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-security/universe/dep11/icons-48x48.tar.gz  
E: Failed to fetch http://repo-clones.ci.qt.io/apt-mirror/mirror/ubuntu/dists/bionic-security/universe/dep11/icons-64x64.tar.gz  
E: Some index files failed to download. They have been ignored, or old ones used instead.