Я пытаюсь создать эквивалент для systemd.
auto strongswan0
iface strongswan0 inet static
address 10.0.2.1/24
pre-up ip link add strongswan0 type dummy
Догадаться!
cat << "EOF" >> /etc/systemd/network/10-strongswan0.netdev
[NetDev]
Name=strongswan0
Kind=dummy
EOF
cat << "EOF" >> /etc/systemd/network/20-strongswan0.network
[Match]
Name=strongswan0
[Network]
Address=10.0.2.1/24
EOF