Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//lib/systemd/system/pppd-dns.service

 [Unit]
Description=Restore /etc/resolv.conf if the system crashed before the ppp link was shut down

[Service]
Type=oneshot
ExecStart=/etc/ppp/ip-down.d/0000usepeerdns

[Install]
WantedBy=multi-user.target