Если руками запустить юнит, то всё нормально.Если запускать при загрузке, то будет:
[root@archlinux anon]# systemctl status tor-netns-init
● tor-netns-init.service - Network namespace from the onion router
Loaded: loaded (/etc/systemd/system/tor-netns-init.service; enabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2020-01-24 22:59:37 UTC; 3min 21s ago
Process: 341 ExecStart=/bin/ip netns add tor (code=exited, status=0/SUCCESS)
Process: 342 ExecStart=/bin/ip link add dev tor0 mtu 16384 type veth peer name eth0 netns tor address 10:10:20:00:00:48 (code=exited, status=0/SUCCESS)
Process: 349 ExecStart=/bin/ip -netns tor addr add 192.168.254.1/24 brd 192.168.254.255 dev eth0 (code=exited, status=0/SUCCESS)
Process: 350 ExecStart=/bin/ip link set dev qemu0 netns tor (code=exited, status=1/FAILURE)
Main PID: 350 (code=exited, status=1/FAILURE)
Jan 24 22:59:37 archlinux systemd[1]: Starting Network namespace from the onion router...
Jan 24 22:59:37 archlinux ip[350]: Cannot find device "qemu0"
Jan 24 22:59:37 archlinux systemd[1]: tor-netns-init.service: Main process exited, code=exited, status=1/FAILURE
Jan 24 22:59:37 archlinux systemd[1]: tor-netns-init.service: Failed with result 'exit-code'.
Jan 24 22:59:37 archlinux systemd[1]: Failed to start Network namespace from the onion router.
[root@archlinux anon]# systemctl status qemu-nat@0
● qemu-nat@0.service - Qemu user space nat interfaces
Loaded: loaded (/etc/systemd/system/qemu-nat@.service; enabled; vendor preset: disabled)
Drop-In: /etc/systemd/system/qemu-nat@0.service.d
└─override.conf
Active: active (running) since Fri 2020-01-24 22:59:37 UTC; 4min 1s ago
Main PID: 354 (qemu-system-x86)
Tasks: 3 (limit: 2368)
Memory: 65.1M
CGroup: /system.slice/system-qemu\x2dnat.slice/qemu-nat@0.service
└─354 /usr/bin/qemu-system-x86_64 -display none -net user,id=user.0 -net tap,script=/bin/true,ifname=qemu0,id=user.1
Jan 24 22:59:37 archlinux systemd[1]: Started Qemu user space nat interfaces.
Jan 24 22:59:37 archlinux qemu-system-x86_64[354]: qemu-system-x86_64: warning: hub 0 with no nics
Сам унит:
[root@archlinux anon]# cat /etc/systemd/system/tor-netns-init.service
[Unit]
Description=Network namespace from the onion router
After=network.target
Before=qemu-nat@0.service
Requires=qemu-nat@0.service
[Service]
Type=oneshot
TimeoutSec=10
RemainAfterExit=yes
ExecStart=/bin/ip netns add tor
ExecStart=/bin/ip link add dev tor0 mtu 16384 type veth peer name eth0 netns tor address 10:10:20:00:00:48
ExecStart=/bin/ip -netns tor addr add 192.168.254.1/24 brd 192.168.254.255 dev eth0
ExecStart=/bin/ip link set dev qemu0 netns tor
ExecStop=/bin/ip netns del tor
[Install]
WantedBy=multi-user.target
Я уже всё перепробывал в попытках заставить его нормально запускаться при запуске