[Pkg-libvirt-maintainers] Bug#994127: libvirt-daemon: Error creating virtual network - iptables (nf_tables) table `nat' is incompatible, use 'nft'

Laurent Baillet laurent.baillet at gmail.com
Wed Nov 10 07:55:45 GMT 2021


Hello

I was faced to the same problem after a Buster to Bullseye upgrade. The
same commands as you returned the same results.

After a week of unsuccessful attempts, I have been able to get my VM back
and apparently without regression by removing

   - all my *qemu* *libvirt* *iptables* *nftables* named packages
   - my DHCP client packages
   - my orphaned packages (several runs)

After that, I reinstalled them, nftables after all the other ones.

If it can help someone...

Regards

On Tue, Oct 12, 2021 at 12:03 AM James Youngman <james at youngman.org> wrote:

> Package: libvirt-daemon
> Version: 7.0.0-3
> Followup-For: Bug #994127
>
> I also find (after upgrade from buster to bullseye) that my default
> network will no longer start:
>
> jupiter:~$ sudo virsh net-list --all
>  Name       State      Autostart   Persistent
> -----------------------------------------------
>  default    inactive   yes         yes
>  ipv6-net   inactive   yes         yes
>
> jupiter:~$ sudo virsh net-info default
> Name:           default
> UUID:           b5472d74-d362-4d85-900c-14959e3dfd35
> Active:         no
> Persistent:     yes
> Autostart:      yes
> Bridge:         virbr0
>
> jupiter:~$ sudo virsh net-start default
> error: Failed to start network default
> error: internal error: Failed to apply firewall rules /usr/sbin/iptables
> -w --table filter --list-rules: iptables v1.8.7 (nf_tables): table `filter'
> is incompatible, use 'nft' tool.
>
>
> jupiter:~$ dpkg -l nftables iptables
> Desired=Unknown/Install/Remove/Purge/Hold
> |
> Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
> |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
> ||/ Name           Version      Architecture Description
>
> +++-==============-============-============-==============================================================
> ii  iptables       1.8.7-1      amd64        administration tools for
> packet filtering and NAT
> ii  nftables       0.9.8-3.1    amd64        Program to control packet
> filtering rules by Netfilter project
> jupiter:~$ readlink -f /usr/sbin/iptables
> /usr/sbin/xtables-nft-multi
> jupiter:~$  update-alternatives --display iptables
> iptables - auto mode
>   link best version is /usr/sbin/iptables-nft
>   link currently points to /usr/sbin/iptables-nft
>   link iptables is /usr/sbin/iptables
>   slave iptables-restore is /usr/sbin/iptables-restore
>   slave iptables-save is /usr/sbin/iptables-save
> /usr/sbin/iptables-legacy - priority 10
>   slave iptables-restore: /usr/sbin/iptables-legacy-restore
>   slave iptables-save: /usr/sbin/iptables-legacy-save
> /usr/sbin/iptables-nft - priority 20
>   slave iptables-restore: /usr/sbin/iptables-nft-restore
>   slave iptables-save: /usr/sbin/iptables-nft-save
> jupiter:~$ ls -l /usr/sbin/iptables   /etc/alternatives/iptables
> /usr/sbin/iptables-nft /usr/sbin/xtables-nft-multi
> lrwxrwxrwx 1 root root     22 Jul 10  2019 /etc/alternatives/iptables ->
> /usr/sbin/iptables-nft
> lrwxrwxrwx 1 root root     26 Jul 10  2019 /usr/sbin/iptables ->
> /etc/alternatives/iptables
> lrwxrwxrwx 1 root root     17 Jan 17  2021 /usr/sbin/iptables-nft ->
> xtables-nft-multi
> -rwxr-xr-x 1 root root 220232 Jan 17  2021 /usr/sbin/xtables-nft-multi
>
> It appears that moving the alternative doesn't fix the problem.   A
> bit confusingly, the command shown, if I run it manually, appears to
> work:
>
> jupiter:~$ sudo virsh net-start default
> error: Failed to start network default
> error: internal error: Failed to apply firewall rules /usr/sbin/iptables
> -w --table filter --list-rules: iptables v1.8.7 (nf_tables): table `filter'
> is incompatible, use 'nft' tool.
>
>
>
> jupiter:~$ sudo /usr/sbin/iptables -w --table filter --list-rules
> -P INPUT ACCEPT
> -P FORWARD ACCEPT
> -P OUTPUT ACCEPT
> jupiter:~$ echo $?
> 0
>
> Though of course, that doesn't get my VMs booted.  None of my guest
> VMs can start.  This is a significant problem for me.
>
> -- System Information:
> Debian Release: 11.1
>   APT prefers stable-updates
>   APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500,
> 'stable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 5.10.0-9-amd64 (SMP w/12 CPU threads)
> Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN,
> TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
> Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8),
> LANGUAGE=en_IE:en
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
> LSM: AppArmor: enabled
>
> Versions of packages libvirt-daemon depends on:
> ii  libblkid1                   2.36.1-8
> ii  libc6                       2.31-13+deb11u2
> ii  libdevmapper1.02.1          2:1.02.175-2.1
> ii  libgcc-s1                   10.2.1-6
> ii  libglib2.0-0                2.66.8-1
> ii  libnetcf1                   1:0.2.8-1.1
> ii  libparted2                  3.4-1
> ii  libpcap0.8                  1.10.0-2
> ii  libpciaccess0               0.16-1
> ii  libselinux1                 3.1-3
> ii  libudev1                    247.3-6
> ii  libvirt-daemon-driver-qemu  7.0.0-3
> ii  libvirt0                    7.0.0-3
> ii  libxml2                     2.9.10+dfsg-6.7
>
> Versions of packages libvirt-daemon recommends:
> ii  libvirt-daemon-driver-lxc   7.0.0-3
> ii  libvirt-daemon-driver-vbox  7.0.0-3
> ii  libvirt-daemon-driver-xen   7.0.0-3
> ii  libxml2-utils               2.9.10+dfsg-6.7
> ii  netcat-openbsd              1.217-3
> ii  qemu-system-x86 [qemu-kvm]  1:5.2+dfsg-11+deb11u1
>
> Versions of packages libvirt-daemon suggests:
> pn  libvirt-daemon-driver-storage-gluster       <none>
> pn  libvirt-daemon-driver-storage-iscsi-direct  <none>
> pn  libvirt-daemon-driver-storage-rbd           <none>
> pn  libvirt-daemon-driver-storage-zfs           <none>
> ii  libvirt-daemon-system                       7.0.0-3
> pn  numad                                       <none>
>
> -- no debconf information
>
>
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