RHEL 8 to RHEL 9: inplace upgrade fails at "Network configuration for unsupported device types detected"

Solution Verified - Updated -

Issue

  • When performing RHEL 8 to RHEL 9 inplace upgrade, leapp reports one inhibitor as follows

    Risk Factor: high (inhibitor)
Title: Network configuration for unsupported device types detected
Summary: RHEL 9 does not support the legacy network-scripts package that was deprecated in RHEL 8 in favor of NetworkManager. Files for device types that are not supported by NetworkManager are present in the system. Files with the problematic configuration:
    - /etc/sysconfig/network-scripts/ifcfg-XXX

Environment

  • Red Hat Enterprise Linux 8
    • leapp

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