sudo dnf update
Copr repo for mono owned by tpokorra                                                                115 kB/s |  36 kB     00:00    
skype (stable)                                                                                       75 kB/s | 2.6 kB     00:00    
RPM Fusion for Fedora 25 - Free                                                                     6.3 MB/s | 515 kB     00:00    
Adobe Systems Incorporated                                                                          7.3 kB/s | 1.9 kB     00:00    
negativo17 - Adobe Flash Plugin                                                                     7.6 kB/s | 2.1 kB     00:00    
slack                                                                                                45 kB/s |  28 kB     00:00    
Visual Studio Code                                                                                  5.9 MB/s | 790 kB     00:00    
RPM Fusion for Fedora 25 - Nonfree                                                                  2.3 MB/s | 144 kB     00:00    
negativo17 - CDRtools                                                                                14 kB/s | 3.9 kB     00:00    
Scooter Software                                                                                     52 kB/s | 4.2 kB     00:00    
RPM Fusion for Fedora 25 - Nonfree - Updates                                                        471 kB/s |  47 kB     00:00    
negativo17 - Nvidia                                                                                 491 kB/s | 225 kB     00:00    
Jitsi                                                                                                14 kB/s | 4.6 kB     00:00    
vivaldi                                                                                             1.6 MB/s |  53 kB     00:00    
Opera packages                                                                                       36 kB/s |  11 kB     00:00    
SpiderOakONE Stable Distribution                                                                     91 kB/s | 7.5 kB     00:00    
Fedora 25 - x86_64 - Updates                                                                        8.7 MB/s |  25 MB     00:02    
negativo17 - Spotify                                                                                 13 kB/s | 3.6 kB     00:00    
Fedora 25 - x86_64 - VirtualBox                                                                     135 kB/s |  46 kB     00:00    
PostgreSQL 9.5 25 - x86_64                                                                          294 kB/s | 364 kB     00:01    
Fedora 25 - x86_64                                                                                  8.6 MB/s |  50 MB     00:05    
google-chrome                                                                                       104 kB/s | 3.8 kB     00:00    
Trillian                                                                                             67 kB/s | 2.7 kB     00:00    
RPM Fusion for Fedora 25 - Free - Updates                                                           5.0 MB/s | 389 kB     00:00    
negativo17 - RAR                                                                                    4.4 kB/s | 1.3 kB     00:00    
google-talkplugin                                                                                    80 kB/s | 2.6 kB     00:00    
Dropbox Repository                                                                                   66 kB/s | 2.4 kB     00:00    
negativo17 - Multimedia                                                                             700 kB/s | 378 kB     00:00    
vivaldi-snapshot                                                                                    1.6 MB/s |  53 kB     00:00    
Adobe Systems Incorporated                                                                           11 kB/s | 1.9 kB     00:00    
Last metadata expiration check: 0:00:05 ago on Sun Oct 15 21:00:26 2017.
Dependencies resolved.
====================================================================================================================================
 Package                       Arch                         Version                              Repository                    Size
====================================================================================================================================
Skipping packages with conflicts:
(add '--best --allowerasing' to command line to force their upgrade):
 libpqxx                       x86_64                       1:5.0.1-2.f25                        pgdg95                       184 k

Transaction Summary
====================================================================================================================================
Skip  1 Package

Nothing to do.
Complete!

sudo dnf update --best
Last metadata expiration check: 0:00:40 ago on Sun Oct 15 21:00:26 2017.
Error: package calligra-kexi-driver-postgresql-2.9.11-15.fc25.x86_64 requires libpqxx-4.0.so()(64bit), but none of the providers can be installed
(try to add '--allowerasing' to command line to replace conflicting packages)