Creating a hotspot with nmcli in RHEL8 fails with "Error: Connection activation failed: (5) IP configuration could not be reserved (no available address, timeout, etc.)."

Solution In Progress - Updated -

Issue

  • Unable to create a new hotspot connection or bring up an existing hotspot connection with nmcli
  • The following error message is shown when running nmcli device wifi hotspot:

    Error: Connection activation failed: (5) IP configuration could not be reserved (no available address, timeout, etc.).
    
  • Attempting to create a new hotspot shows the following SELinux denial message:

    type=AVC msg=audit(1560198765.286:123): avc:  denied  { write } for  pid=9205 comm="dnsmasq" name="NetworkManager" dev="dm-0" ino=13084320 scontext=system_u:system_r:dnsmasq_t:s0 tcontext=system_u:object_r:NetworkManager_var_lib_t:s0 tclass=dir permissive=0
    

Environment

  • Red Hat Enterprise Linux 8
  • NetworkManager with dnsmasq
  • SELinux targeted policy in Enforcing mode (ie: the default SELinux settings)

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