warning: netlink: eno1: cannot delete address XXX.XXX.XXX.XXX/32 dev eno1: operation failed with 'Cannot assign requested address' (99)

[DRNGX]

Hi,

after googling for like 2 hours now i just found this:
https://forum.proxmox.com/threads/network-interruption-after-debian-network-restart.102223/



interface config:

auto lo
iface lo inet loopback
iface lo inet6 loopback

auto eno1
iface eno1 inet static
        address xx.xx.xx.xx/26
        gateway xx.xx.xx.xx
        pointopoint xx.xx.xx.xx.xx
        post-up sysctl -w net.ipv4.ip_forward=1
        post-up sysctl -w net.ipv6.conf.all.forwarding=1
        post-up echo 1 > /proc/sys/net/ipv4/conf/enp2s0/proxy_arp
        post-up iptables -t nat -A PREROUTING -i eno1 -p tcp -m multiport ! --dport 22,8006,14916 -j DNAT --to 10.10.10.1
        post-up iptables -t nat -A PREROUTING -i eno1 -p udp -j DNAT --to 10.10.10.1


iface eno1 inet6 static
        address xxxx::1111/128
        gateway XXXX::1

# vlan raw device
auto eno1.4090
iface eno1.4090 inet static
        vlan-raw-device eno1
        mtu             1400
        address         0.0.0.0
        netmask         0.0.0.0
     

auto vmbr4090
iface vmbr4090 inet static
        address         10.0.0.18
        netmask         24
        bridge_ports    eno1.4090
        bridge_stp      off
        bridge_fd       0
#connection cloud

auto vmbr0
iface vmbr0 inet static
        address 10.10.10.0/31
        bridge-ports none
        bridge-stp off
        bridge-fd 0
        post-up iptables -t nat -A POSTROUTING -s '10.10.10.1/31' -o eno1 -j MASQUERADE
        post-down iptables -t nat -D POSTROUTING -s '10.10.10.1/31' -o eno1 -j MASQUERADE
#WAN OPNSense - Proxmox LAN



iface vmbr0 inet6 static
        address XXXX::1336/127
        up ip -6 route add XXXX::/64 via XXXX::1337
#WAN OPNSense - Proxmox LAN V6


auto vmbr1
iface vmbr1 inet static
    address  xx.xx.xx.xx
    netmask  255.255.255.255
    hwaddress 00:50:56:00:87:9A
    bridge_ports none
    bridge_stp off
    bridge_fd 0
    bridge_maxwait 0
    up route add -host xx.xx.xx.xx     dev vmbr1
#opt1

 
auto vmbr2
iface vmbr2 inet static
    address 172.16.0.1
    netmask 255.255.255.0
    bridge_ports none
    bridge_stp off
    bridge_fd 0
    post-up   iptables -t nat -A POSTROUTING -s '172.16.0.0/24' -j MASQUERADE
    post-down iptables -t nat -D POSTROUTING -s '172.16.0.0/24' -j MASQUERADE
#VM Net

let me know what else you need!