Hallo,
hier der Output:
# network interface settings; autogenerated
# Please do NOT modify this file directly, unless you know what
# you're doing.
#
# If you want to manage part of the network configuration manually,
# please utilize the 'source' or 'source-directory' directives to do
# so.
# PVE will preserve these directives, but will NOT its network
# configuration from sourced files, so do not attempt to move any of
# the PVE managed interfaces into external files!
auto lo
iface lo inet loopback
iface eth0 inet manual
auto vmbr1
iface vmbr1 inet manual
bridge_ports dummy0
bridge_stp off
bridge_fd 0
post-up /etc/pve/kvm-networking.sh
auto vmbr0
iface vmbr0 inet static
address XX.XXX.143.141
netmask 255.255.255.0
gateway XX.XXX.143.254
broadcast XX.XXX.143.255
bridge_ports eth0
bridge_stp off
bridge_fd 0
bridge_vlan_aware yes
network XX.XXX.143.0
iface vmbr0 inet6 static
address XXXX:XXXX:1:be8d::
netmask 64
post-up /sbin/ip -f inet6 route add XXXX:XXXX:1:beff:ff:ff:ff:ff dev vmbr0
post-up /sbin/ip -f inet6 route add default via XXXX:XXXX:1:beff:ff:ff:ff:ff
pre-down /sbin/ip -f inet6 route del default via XXXX:XXXX:1:beff:ff:ff:ff:ff
pre-down /sbin/ip -f inet6 route del XXXX:XXXX:1:beff:ff:ff:ff:ff dev vmbr0