[PATCH ifupdown2 v2 2/2] vxlan: match IPv6 peers when reading the fdb

[Gabriel Goller <g.goller@proxmox.com>]

Otherwise removed IPv6 vxlan-remoteip entries are never deleted from
the fdb.

Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
---
 ...lan-match-IPv6-peers-when-reading-the-fdb.patch | 27 ++++++++++++++++++++++
 debian/patches/series                              |  1 +
 2 files changed, 28 insertions(+)

diff --git a/debian/patches/pve/0019-vxlan-match-IPv6-peers-when-reading-the-fdb.patch b/debian/patches/pve/0019-vxlan-match-IPv6-peers-when-reading-the-fdb.patch
new file mode 100644
index 000000000000..f47b4e302adc
--- /dev/null
+++ b/debian/patches/pve/0019-vxlan-match-IPv6-peers-when-reading-the-fdb.patch
@@ -0,0 +1,27 @@
+From 61a0c6be30aaa8a0c74d35fbd9ffd03ea9bdfb82 Mon Sep 17 00:00:00 2001
+From: Gabriel Goller <g.goller@proxmox.com>
+Date: Fri, 6 Nov 2026 17:59:42 +0100
+Subject: [PATCH] vxlan: match IPv6 peers when reading the fdb
+
+get_vxlan_peers only matched IPv4 addresses after dst, so IPv6 remotes
+were never found in the fdb and removed IPv6 vxlan-remoteip entries
+were never deleted.
+
+Signed-off-by: Gabriel Goller <g.goller@proxmox.com>
+---
+ ifupdown2/lib/iproute2.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/ifupdown2/lib/iproute2.py b/ifupdown2/lib/iproute2.py
+index 9d5573b64603..9d0e719925a0 100644
+--- a/ifupdown2/lib/iproute2.py
++++ b/ifupdown2/lib/iproute2.py
+@@ -62,7 +62,7 @@ except Exception:
+ class IPRoute2(Cache, Requirements):
+ 
+     VXLAN_UDP_PORT = 4789
+-    VXLAN_PEER_REGEX_PATTERN = re.compile(r"\s+dst\s+(\d+.\d+.\d+.\d+)\s+")
++    VXLAN_PEER_REGEX_PATTERN = re.compile(r"\s+dst\s+(\S+)\s+")
+ 
+     def __init__(self):
+         Cache.__init__(self)
diff --git a/debian/patches/series b/debian/patches/series
index 023e8e36374d..48bb4adae7f5 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -22,3 +22,4 @@ upstream/0005-bond-tolerate-unavailable-slaves-during-setup.patch
 pve/0016-addons-bond-skip-mac-check-for-bonds-without-slaves.patch
 pve/0017-addons-vxlan-don-t-fail-syntax-check-on-missing-vxla.patch
 pve/0018-addons-vxlan-add-vxlan-gbp-attribute.patch
+pve/0019-vxlan-match-IPv6-peers-when-reading-the-fdb.patch

-- 
2.47.3