Edit: Nach einem Host-Neustart geht es leider nicht mehr. Hab nochmals alles geprüft und scheint richtig zu sein.
Was mir aufgefallen ist, ist, dass wenn ich "ip a" eingebe, nun viel mehr vorhanden ist. Ist das korrekt?
root@pve:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eno1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 24:6e:96:0a:dc:a4 brd ff:ff:ff:ff:ff:ff
altname enp1s0f0
3: enp3s0f0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether b4:96:91:d3:f4:58 brd ff:ff:ff:ff:ff:ff
4: eno2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 24:6e:96:0a:dc:a6 brd ff:ff:ff:ff:ff:ff
altname enp1s0f1
5: enp3s0f1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether b4:96:91:d3:f4:59 brd ff:ff:ff:ff:ff:ff
6: eno3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 24:6e:96:0a:dc:a8 brd ff:ff:ff:ff:ff:ff
altname enp1s0f2
7: eno4: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 24:6e:96:0a:dc:aa brd ff:ff:ff:ff:ff:ff
altname enp1s0f3
8: enp3s0f2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether b4:96:91:d3:f4:5a brd ff:ff:ff:ff:ff:ff
9: enp3s0f3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master vmbr0 state UP group default qlen 1000
link/ether b4:96:91:d3:f4:5b brd ff:ff:ff:ff:ff:ff
10: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether b4:96:91:d3:f4:5b brd ff:ff:ff:ff:ff:ff
inet 192.168.178.58/24 scope global vmbr0
valid_lft forever preferred_lft forever
inet6 fe80::b696:91ff:fed3:f45b/64 scope link
valid_lft forever preferred_lft forever
11: vmbr1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether a2:dd:29:05:fb:35 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.1/24 scope global vmbr1
valid_lft forever preferred_lft forever
inet6 fe80::a0dd:29ff:fe05:fb35/64 scope link
valid_lft forever preferred_lft forever
16: veth104i0@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr104i0 state UP group default qlen 1000
link/ether fe:33:f2:a6:00:ae brd ff:ff:ff:ff:ff:ff link-netnsid 1
17: fwbr104i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether b6:93:7d:18:5a:6a brd ff:ff:ff:ff:ff:ff
18: fwpr104p0@fwln104i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr0 state UP group default qlen 1000
link/ether 4e:c9:23:ee:4f:8a brd ff:ff:ff:ff:ff:ff
19: fwln104i0@fwpr104p0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr104i0 state UP group default qlen 1000
link/ether 8e:0f:75:83:2f:b5 brd ff:ff:ff:ff:ff:ff
20: veth106i0@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr106i0 state UP group default qlen 1000
link/ether fe:e7:66:45:0e:96 brd ff:ff:ff:ff:ff:ff link-netnsid 2
21: fwbr106i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 3a:84:bd:b4:8d:44 brd ff:ff:ff:ff:ff:ff
22: fwpr106p0@fwln106i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr0 state UP group default qlen 1000
link/ether 22:40:28:98:5d:8c brd ff:ff:ff:ff:ff:ff
23: fwln106i0@fwpr106p0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr106i0 state UP group default qlen 1000
link/ether d2:85:4c:23:58:21 brd ff:ff:ff:ff:ff:ff
37: veth103i0@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr103i0 state UP group default qlen 1000
link/ether fe:51:9a:7e:8f:f6 brd ff:ff:ff:ff:ff:ff link-netnsid 0
38: fwbr103i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 5a:a5:ea:bf:ca:93 brd ff:ff:ff:ff:ff:ff
39: fwpr103p0@fwln103i0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr0 state UP group default qlen 1000
link/ether c6:ef:2e:d7:05:6d brd ff:ff:ff:ff:ff:ff
40: fwln103i0@fwpr103p0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master fwbr103i0 state UP group default qlen 1000
link/ether 86:62:7b:8a:ae:37 brd ff:ff:ff:ff:ff:ff
43: veth108i0@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr1 state UP group default qlen 1000
link/ether fe:96:65:e1:7d:30 brd ff:ff:ff:ff:ff:ff link-netnsid 3
Edit2: Ich muss mich entschuldigen. Internet hat mein LXC wieder. Das war mein Fehler.