Firewalld service is failing with " ERROR: Failed to load nf_conntrack module: modprobe: ERROR: could not find module by name='nf_conntrack' "

Solution Verified - Updated -


  • After updating to RHEL 7.7 firewalld service cannot be started, because nf_conntrack module can not be found.


  • Red Hat Enterprise Linux 7.7
  • kernel-3.10.0-1062.1.1.el7.x86_64
  • firewalld-0.6.3-2.el7_7.1.noarch

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