Edit File: arp-ethers.service
[Unit] Description=Load static arp entries Documentation=man:arp(8) man:ethers(5) ConditionPathExists=/etc/ethers After=network.service Before=network.target [Service] Type=oneshot ExecStart=/sbin/arp -f /etc/ethers RemainAfterExit=yes [Install] WantedBy=multi-user.target