From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from firstgate.proxmox.com (firstgate.proxmox.com [IPv6:2a01:7e0:0:424::9]) by lore.proxmox.com (Postfix) with ESMTPS id EEE571FF137 for ; Tue, 31 Mar 2026 16:47:19 +0200 (CEST) Received: from firstgate.proxmox.com (localhost [127.0.0.1]) by firstgate.proxmox.com (Proxmox) with ESMTP id BE5D0203; Tue, 31 Mar 2026 16:47:46 +0200 (CEST) From: Fiona Ebner To: pve-devel@lists.proxmox.com Subject: [PATCH qemu-server] migration: print netdevice: only warn about missing host_mtu setting when unexpected Date: Tue, 31 Mar 2026 16:46:03 +0200 Message-ID: <20260331144738.856141-1-f.ebner@proxmox.com> X-Mailer: git-send-email 2.47.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Bm-Milter-Handled: 55990f41-d878-4baa-be0a-ee34c49e34d2 X-Bm-Transport-Timestamp: 1774968406421 X-SPAM-LEVEL: Spam detection results: 0 AWL -1.494 Adjusted score from AWL reputation of From: address BAYES_00 -1.9 Bayes spam probability is 0 to 1% DMARC_MISSING 0.1 Missing DMARC policy KAM_DMARC_STATUS 0.01 Test Rule for DKIM or SPF Failure with Strict Alignment RCVD_IN_VALIDITY_CERTIFIED_BLOCKED 1 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_RPBL_BLOCKED 1 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. RCVD_IN_VALIDITY_SAFE_BLOCKED 1 ADMINISTRATOR NOTICE: The query to Validity was blocked. See https://knowledge.validity.com/hc/en-us/articles/20961730681243 for more information. SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Message-ID-Hash: GS2G4QSWRVSEPTUYQ5CSGJI3KMU4FMVJ X-Message-ID-Hash: GS2G4QSWRVSEPTUYQ5CSGJI3KMU4FMVJ X-MailFrom: f.ebner@proxmox.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; loop; banned-address; emergency; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.10 Precedence: list List-Id: Proxmox VE development discussion List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: When the machine version is less than 10.0+pve1 and the MTU is 1500, not having the host_mtu parameter is fully expected. Only log when the missing host_mtu setting is not expected to avoid confusion. Reported in the community forum [0]. [0]: https://forum.proxmox.com/threads/182156/ Signed-off-by: Fiona Ebner --- src/PVE/QemuServer.pm | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/src/PVE/QemuServer.pm b/src/PVE/QemuServer.pm index fee93193..3e510e01 100644 --- a/src/PVE/QemuServer.pm +++ b/src/PVE/QemuServer.pm @@ -1386,7 +1386,12 @@ sub print_netdevice_full { } elsif (defined($mtu)) { my $msg_prefix = "netdev $netid: ignoring MTU '$mtu'"; if ($migration_skip_host_mtu) { - log_warn("$msg_prefix, not used on the source side according to migration parameters"); + # When the machine version is less than 10.0+pve1 and the MTU is 1500, not having the + # host_mtu parameter is fully expected. Only log when not expected to avoid confusion. + if (min_version($machine_version, 10, 0, 1) || $mtu != 1500) { + log_warn( + "$msg_prefix, not used on the source side according to migration parameters"); + } } elsif (!$net->{bridge}) { log_warn("$msg_prefix, no bridge configured"); } else { -- 2.47.3