[root@host-15 ~]#  /etc/net/scripts/contrib/initconf write
WARNING: /usr/sbin/ethtool is not available, module detection will be skipped
Processing interface 'lo': configuration exists
Processing interface 'enp0s3': finished
[root@host-15 ~]# diff /etc/net/scripts/contrib/initconf write
92c92
<                               if [[ "${iface//[0-9]*/}" = "eth" || "${iface//[0-9]*/}" = "enp" ]]; then
---
>                               if [ "${iface//[0-9]*/}" = "eth" ]; then
[root@host-15 ~]# diff -Naur /etc/net/scripts/contrib/initconf write
--- /etc/net/scripts/contrib/initconf   2023-02-10 14:02:55.232141663 +0000
+++ write       2023-02-10 12:55:08.718191588 +0000
@@ -89,7 +89,7 @@
                                        esac
                                fi
                                # many others try to look as ethernet, so let's filter by iface name...
-                               if [[ "${iface//[0-9]*/}" = "eth" || "${iface//[0-9]*/}" = "enp" ]]; then
+                               if [ "${iface//[0-9]*/}" = "eth" ]; then
                                        # find and use link-level address
                                        LLADDR=`$IP li sh dev $iface | fgrep 'link/ether' | sed 's/^ *link\/ether //' | cut --delimiter=' ' --fields=1`
                                        # ...and by valid MAC address