Failure to upgrade from 18.04.3 to 19.04

[Juan Jesús Paredes Guerra]

Ubuntu Studio 18.04.3

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: ubuntu-release-upgrader-core 1:18.04.34
ProcVersionSignature: Ubuntu 5.0.0-23.24~18.04.1-lowlatency 5.0.15
Uname: Linux 5.0.0-23-lowlatency x86_64
ApportVersion: 2.20.9-0ubuntu7.7
Architecture: amd64
CrashDB: ubuntu
Date: Wed Oct 23 09:43:27 2019
InstallationDate: Installed on 2018-08-22 (427 days ago)
InstallationMedia: Ubuntu-Studio 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to bionic on 2019-10-23 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2019-10-23 09:40:37.517938
 Log time: 2019-10-23 09:40:54.465033
 Log time: 2019-10-23 09:43:14.032941
 Log time: 2019-10-23 09:43:35.186346
VarLogDistupgradeTermlog:

mtime.conffile..etc.update-manager.release-upgrades: 2019-10-21T13:54:29.624816

[Brian Murray (brian-murray)]

There was an issue communicating with the mirror of the Ubuntu archive which you use. This is an issue you will need to sort out before you can upgrade to the new release of Ubuntu.

2019-10-27 16:15:33,625 DEBUG examining: 'deb http://in.archive.ubuntu.com/ubuntu/ disco main restricted'
2019-10-27 16:15:33,625 DEBUG verifySourcesListEntry: deb http://in.archive.ubuntu.com/ubuntu/ eoan main restricted
2019-10-27 16:15:33,625 DEBUG url_downloadable: http://in.archive.ubuntu.com/ubuntu//dists/eoan/Release
2019-10-27 16:15:33,625 DEBUG s='http' n='in.archive.ubuntu.com' p='/ubuntu//dists/eoan/Release' q='' f=''
2019-10-27 16:17:43,125 DEBUG error from httplib: '<urlopen error [Errno 101] Network is unreachable>'
2019-10-27 16:17:43,125 DEBUG entry '# deb http://in.archive.ubuntu.com/ubuntu/ disco main restricted' was disabled (no Release file)

[Launchpad Janitor (janitor)]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no activity for 60 days.]