Why does systemd report 'Address family not supported by protocol' with 'systemctl status <service name>' when disabling IPv6 in sysctl.conf?

Solution Verified - Updated -

Issue

  • Why does systemd report 'Address family not supported by protocol' with 'systemctl status ' when disabling IPv6 in sysctl.conf?

Environment

  • Red Hat Enterprise Linux 7
  • systemd

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