What do variables in ifcfg-name crrespond to properties of NetworkManager connection profiles?

Issue

• What do variables in ifcfg-name crrespond to properties of NetworkManager connection profiles?

Sample:

# grep IPV4_FAILURE_FATAL /etc/sysconfig/network-scripts/ifcfg-test
IPV4_FAILURE_FATAL=no
# nmcli c s test | grep ipv4
ipv4.method:                            manual
ipv4.dns:                               
ipv4.dns-search:                        
ipv4.addresses:                         192.168.122.77/24
ipv4.gateway:                           192.168.122.1
ipv4.routes:                            
ipv4.route-metric:                      -1
ipv4.ignore-auto-routes:                no
ipv4.ignore-auto-dns:                   no
ipv4.dhcp-client-id:                    --
ipv4.dhcp-send-hostname:                yes
ipv4.dhcp-hostname:                     --
ipv4.never-default:                     no
ipv4.may-fail:                          yes