dnf update 'glibc*'
Last metadata expiration check: 0:05:42 ago on Wed 12 Dec 2018 02:56:56 PM +05.
Dependencies resolved.

 Problem: cannot install both glibc-headers-2.27-35.fc28.x86_64 and glibc-headers-2.27-32.fc28.x86_64
  - glibc-headers-2.27-32.fc28.i686 has inferior architecture
  - cannot install the best update candidate for package glibc-headers-2.27-32.fc28.x86_64
  - problem with installed package glibc-headers-2.27-32.fc28.i686
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 Package              Arch          Version                Repository      Size
================================================================================
Skipping packages with conflicts:
(add '--best --allowerasing' to command line to force their upgrade):
 glibc-headers        x86_64        2.27-35.fc28           updates        460 k

Transaction Summary
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Skip  1 Package

Nothing to do.
Complete!