[pve-devel] [PATCH common, widget-toolkit, manager v4 0/7] fix #3893: make bridge vids configurable

[pve-devel] [PATCH common, widget-toolkit, manager v4 0/7] fix #3893: make bridge vids configurable

[Aaron Lauterer]

since I only incorporated smaller suggested changes, I left the r-b and
t-b in place.

this version reworks a few parts since
v3: incorporated @shannons recommendations, in detail:
* improve regex with non-capturing group
* reworked check if valid VLAN config in UI field check
* small code style and spelling things
* reworded UI explanation text for bridge vids

v2:
* renamed format in JSONSchema to a more generic `pve-vlan-id-or-range`
* explicitly use spaces when writing interfaces file. This is one
  possible approach to deal with the fact, that the generic `-list`
  format will accept quite a few delimiters and we need spaces.
* code style improvements such as naming the regex results.
* add parameter verification to the web ui

With the changes to the JSONSchema we can then work on using it too for
the guest trunk option. This hasn't been started yet though.

common: Aaron Lauterer (3):
  tools: add check_list_empty function
  fix #3893: network: add vlan id and range parameter definitions
  inotify: interfaces: make sure bridge_vids use space as separator

 src/PVE/INotify.pm    |  2 +-
 src/PVE/JSONSchema.pm | 34 ++++++++++++++++++++++++++++++++++
 src/PVE/Tools.pm      |  8 ++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)


widget-toolkit: Aaron Lauterer (2):
  fix #3892: Network: add bridge vids field for bridge_vids
  Network: add explanation for bridge vids field

 src/node/NetworkEdit.js | 73 +++++++++++++++++++++++++++++++++++++++++
 src/node/NetworkView.js |  5 +++
 2 files changed, 78 insertions(+)


manager: Aaron Lauterer (2):
  fix #3893: api: network: add bridge_vids parameter
  fix #3893: ui: network: enable bridge_vids field

 PVE/API2/Network.pm         | 15 ++++++++++++++-
 www/manager6/node/Config.js |  1 +
 2 files changed, 15 insertions(+), 1 deletion(-)

-- 
2.39.2



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[pve-devel] [PATCH common v4 1/7] tools: add check_list_empty function

[Aaron Lauterer]

In some situations we don't want a total empty list. I opted for a
dedicated function instead of integrating it as error in the
`split_list` function. It is used in many places and the potential
fallout from unintended behavior changes is too big.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since: v3: none
v2: newly added

 src/PVE/Tools.pm | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm
index bd305bd..f796bd0 100644
--- a/src/PVE/Tools.pm
+++ b/src/PVE/Tools.pm
@@ -718,6 +718,14 @@ sub split_list {
     return @data;
 }
 
+sub check_list_empty {
+    my ($list) = @_;
+    if (scalar(PVE::Tools::split_list($list)) < 1) {
+	return 0;
+    }
+    return 1;
+}
+
 sub trim {
     my $txt = shift;
 
-- 
2.39.2



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[pve-devel] [PATCH common v4 2/7] fix #3893: network: add vlan id and range parameter definitions

[Aaron Lauterer]

This is one step to make it possible to define the VLAN IDs and ranges
for bridges.

It is expected to be used in combination with the `-list` magic
property. Therefore it defines and checks the validity of a single list
item that could just be a single VLAN tag ID or a range.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---

changes since
v3:superfloous
* switched regex to one with non-capturing group
* fixed superfloous space
v2:
* renamed schema to a more generic one with the use case of the guest
  trunk config in mind

 src/PVE/JSONSchema.pm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/src/PVE/JSONSchema.pm b/src/PVE/JSONSchema.pm
index 115f811..86a7da2 100644
--- a/src/PVE/JSONSchema.pm
+++ b/src/PVE/JSONSchema.pm
@@ -81,6 +81,12 @@ register_standard_option('pve-iface', {
     minLength => 2, maxLength => 20,
 });
 
+register_standard_option('pve-vlan-id-or-range', {
+    description => "VLAN ID or range.",
+    type => 'string', format => 'pve-vlan-id-or-range',
+    minLength => 1, maxLength => 9,
+});
+
 register_standard_option('pve-storage-id', {
     description => "The storage identifier.",
     type => 'string', format => 'pve-storage-id',
@@ -595,6 +601,34 @@ sub pve_verify_iface {
     return $id;
 }
 
+# vlan id (vids), single or range
+register_format('pve-vlan-id-or-range', \&pve_verify_vlan_id_or_range);
+sub pve_verify_vlan_id_or_range {
+    my ($vlan, $noerr) = @_;
+
+    my $check_vid = sub {
+	my $tag = shift;
+	if ( $tag < 2 || $tag > 4094) {
+	    return undef if $noerr;
+	    die "invalid VLAN tag '$tag'\n";
+	}
+    };
+
+    if ($vlan !~ m/^(\d+)(?:-(\d+))?$/) {
+	return undef if $noerr;
+	die "invalid VLAN configuration '$vlan'\n";
+    }
+    my $start = $1;
+    my $end = $2;
+    return undef if (!defined $check_vid->($start));
+    if ($end) {
+	return undef if (!defined $check_vid->($end));
+	die "VLAN range must go from lower to higher tag '$vlan'" if $start >= $end && !$noerr;
+    }
+
+    return $vlan;
+}
+
 # general addresses by name or IP
 register_format('address', \&pve_verify_address);
 sub pve_verify_address {
-- 
2.39.2



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[pve-devel] [PATCH common v4 3/7] inotify: interfaces: make sure bridge_vids use space as separator

[Aaron Lauterer]

Because the API accepts multiple possible list separators we need to
make sure that we write the bridge_vids with space as separator, no
matter which separator was used when passing it to the API.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since
v3: none
v2:
* added to make sure the format works as expected, no matter what
  delimiter might have been used in the API call

 src/PVE/INotify.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PVE/INotify.pm b/src/PVE/INotify.pm
index 8a4a810..bf580c5 100644
--- a/src/PVE/INotify.pm
+++ b/src/PVE/INotify.pm
@@ -1315,7 +1315,7 @@ sub __interface_to_string {
 
 	if (defined($d->{bridge_vlan_aware})) {
 	    $raw .= "\tbridge-vlan-aware yes\n";
-	    my $vlans = defined($d->{bridge_vids}) ? $d->{bridge_vids} : "2-4094";
+	    my $vlans = length($d->{bridge_vids}) ? join(" ", PVE::Tools::split_list($d->{bridge_vids})) : "2-4094";
 	    $raw .= "\tbridge-vids $vlans\n";
 	}
 	$done->{bridge_vlan_aware} = 1;
-- 
2.39.2



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[pve-devel] [PATCH widget-toolkit v4 4/7] fix #3892: Network: add bridge vids field for bridge_vids

[Aaron Lauterer]

The new optional bridge_vids field allows to set that property via the
GUI. Since the backend needs to support it, the field needs to be
explicitly enabled.

For now, Proxmox VE (PVE) is the use case.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since
v3:
* switched regex to one with non-capturing group
* reworked valid VLAN check according to the suggestion
v2:
* added validation code following how it is implemented in the API
 src/node/NetworkEdit.js | 65 +++++++++++++++++++++++++++++++++++++++++
 src/node/NetworkView.js |  5 ++++
 2 files changed, 70 insertions(+)

diff --git a/src/node/NetworkEdit.js b/src/node/NetworkEdit.js
index 27c1baf..bfd0268 100644
--- a/src/node/NetworkEdit.js
+++ b/src/node/NetworkEdit.js
@@ -2,6 +2,9 @@ Ext.define('Proxmox.node.NetworkEdit', {
     extend: 'Proxmox.window.Edit',
     alias: ['widget.proxmoxNodeNetworkEdit'],
 
+    // Enable to show the VLAN ID field
+    bridge_set_vids: false,
+
     initComponent: function() {
 	let me = this;
 
@@ -57,11 +60,70 @@ Ext.define('Proxmox.node.NetworkEdit', {
 	}
 
 	if (me.iftype === 'bridge') {
+	    let vids = Ext.create('Ext.form.field.Text', {
+		fieldLabel: gettext('Bridge VIDS'),
+		name: 'bridge_vids',
+		emptyText: '2-4094',
+		disabled: true,
+		autoEl: {
+		    tag: 'div',
+		    'data-qtip': gettext('Space-separated list of VLANs and ranges, for example: 2 4 100-200'),
+		},
+		validator: function(value) {
+		    if (!value) { // empty
+			return true;
+		    }
+
+		    let vid_list = value.split(' ');
+
+		    let invalidVid = function(tag) {
+			if (!isNaN(tag) && (tag < 2 || tag > 4094)) {
+			    return `not a valid VLAN ID '${tag}'`;
+			}
+
+			return false;
+		    };
+
+		    for (const vid of vid_list) {
+			if (!vid) {
+			    continue;
+			}
+			let res = vid.match(/^(\d+)(?:-(\d+))?$/);
+			if (!res) {
+			    return `not a valid VLAN configuration '${vid}'`;
+			}
+			let start = Number(res[1]);
+			let end = Number(res[2]);
+
+			res = invalidVid(start);
+			if (res) {
+			    return res;
+			}
+
+			res = invalidVid(end);
+			if (res) {
+			    return res;
+			}
+
+			if (start >= end) {
+			    return `VID range must go from lower to higher tag: '${vid}'`;
+			}
+		    }
+		    return true;
+		},
+	    });
 	    column2.push({
 		xtype: 'proxmoxcheckbox',
 		fieldLabel: gettext('VLAN aware'),
 		name: 'bridge_vlan_aware',
 		deleteEmpty: !me.isCreate,
+		listeners: {
+		    change: function(f, newVal) {
+			if (me.bridge_set_vids) {
+			    vids.setDisabled(!newVal);
+			}
+		    },
+		},
 	    });
 	    column2.push({
 		xtype: 'textfield',
@@ -72,6 +134,9 @@ Ext.define('Proxmox.node.NetworkEdit', {
 		    'data-qtip': gettext('Space-separated list of interfaces, for example: enp0s0 enp1s0'),
 		},
 	    });
+	    if (me.bridge_set_vids) {
+		advancedColumn2.push(vids);
+	    }
 	} else if (me.iftype === 'OVSBridge') {
 	    column2.push({
 		xtype: 'textfield',
diff --git a/src/node/NetworkView.js b/src/node/NetworkView.js
index 1d67ac8..c08cbfa 100644
--- a/src/node/NetworkView.js
+++ b/src/node/NetworkView.js
@@ -33,6 +33,9 @@ Ext.define('Proxmox.node.NetworkView', {
 
     showApplyBtn: false,
 
+    // decides if VLAN IDs field for bridges is shown, depends on the product if needed
+    bridge_set_vids: false,
+
     initComponent: function() {
 	let me = this;
 
@@ -100,6 +103,7 @@ Ext.define('Proxmox.node.NetworkView', {
 		nodename: me.nodename,
 		iface: rec.data.iface,
 		iftype: rec.data.type,
+		bridge_set_vids: me.bridge_set_vids,
 		listeners: {
 		    destroy: () => reload(),
 		},
@@ -170,6 +174,7 @@ Ext.define('Proxmox.node.NetworkView', {
 		    nodename: me.nodename,
 		    iftype: iType,
 		    iface_default: findNextFreeInterfaceId(iDefault ?? iType),
+		    bridge_set_vids: me.bridge_set_vids,
 		    onlineHelp: 'sysadmin_network_configuration',
 		    listeners: {
 			destroy: () => reload(),
-- 
2.39.2



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[pve-devel] [PATCH widget-toolkit v4 5/7] Network: add explanation for bridge vids field

[Aaron Lauterer]

Make clear that it affects only out-/inbound traffic and can be used if
the underlying physical NICs support only a limited number of VLANs when
offloading is possible.

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since
v3-follow-up:
* reordered inside the patch series
* reworded explanation according to suggestion

 src/node/NetworkEdit.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/node/NetworkEdit.js b/src/node/NetworkEdit.js
index bfd0268..2e8dc25 100644
--- a/src/node/NetworkEdit.js
+++ b/src/node/NetworkEdit.js
@@ -112,6 +112,12 @@ Ext.define('Proxmox.node.NetworkEdit', {
 		    return true;
 		},
 	    });
+	    let vidsExplanation = Ext.create('Ext.form.field.Display', {
+		    disabled: true,
+		    userCls: 'pmx-hint',
+		    value: 'Limits the number of VLANs forwarded by the bridge ports. Useful if ' +
+			   'the physical NICs only support a limited number of offloaded VLANs.',
+	    });
 	    column2.push({
 		xtype: 'proxmoxcheckbox',
 		fieldLabel: gettext('VLAN aware'),
@@ -121,6 +127,7 @@ Ext.define('Proxmox.node.NetworkEdit', {
 		    change: function(f, newVal) {
 			if (me.bridge_set_vids) {
 			    vids.setDisabled(!newVal);
+			    vidsExplanation.setDisabled(!newVal);
 			}
 		    },
 		},
@@ -136,6 +143,7 @@ Ext.define('Proxmox.node.NetworkEdit', {
 	    });
 	    if (me.bridge_set_vids) {
 		advancedColumn2.push(vids);
+		advancedColumn2.push(vidsExplanation);
 	    }
 	} else if (me.iftype === 'OVSBridge') {
 	    column2.push({
-- 
2.39.2



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[pve-devel] [PATCH manager v4 6/7] fix #3893: api: network: add bridge_vids parameter

[Aaron Lauterer]

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since
v3:
* changed "vlans" to "VLANs" in description
v2:
* added checks to handle empty lists

 PVE/API2/Network.pm | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/PVE/API2/Network.pm b/PVE/API2/Network.pm
index f39f04f5..a1dad4b5 100644
--- a/PVE/API2/Network.pm
+++ b/PVE/API2/Network.pm
@@ -66,6 +66,11 @@ my $confdesc = {
 	type => 'boolean',
 	optional => 1,
     },
+    bridge_vids => {
+	description => "Specify the allowed VLANs. For example: '2 4 100-200'. Only used if the bridge is VLAN aware.",
+	optional => 1,
+	type => 'string', format => 'pve-vlan-id-or-range-list',
+    },
     bridge_ports => {
 	description => "Specify the interfaces you want to add to your bridge.",
 	optional => 1,
@@ -469,6 +474,10 @@ __PACKAGE__->register_method({
 		    if ! grep { $_ eq $iface } @ports;
 	    }
 
+	    if ($param->{bridge_vids} && !PVE::Tools::check_list_empty($param->{bridge_vids})) {
+		raise_param_exc({ bridge_vids => "VLAN list items are empty" });
+	    }
+
 	    $ifaces->{$iface} = $param;
 
 	    PVE::INotify::write_file('interfaces', $config);
@@ -558,7 +567,11 @@ __PACKAGE__->register_method({
 	    foreach my $k (keys %$param) {
 		$ifaces->{$iface}->{$k} = $param->{$k};
 	    }
-	    
+
+	    if ($param->{bridge_vids} && !PVE::Tools::check_list_empty($param->{bridge_vids})) {
+		raise_param_exc({ bridge_vids => "VLAN list items are empty" });
+	    }
+
 	    PVE::INotify::write_file('interfaces', $config);
 	};
 
-- 
2.39.2



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[pve-devel] [PATCH manager v4 7/7] fix #3893: ui: network: enable bridge_vids field

[Aaron Lauterer]

Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
---
changes since
v3: none
v2: none

 www/manager6/node/Config.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/www/manager6/node/Config.js b/www/manager6/node/Config.js
index d27592ce..7bdfb6d9 100644
--- a/www/manager6/node/Config.js
+++ b/www/manager6/node/Config.js
@@ -194,6 +194,7 @@ Ext.define('PVE.node.Config', {
 		    showApplyBtn: true,
 		    groups: ['services'],
 		    nodename: nodename,
+		    bridge_set_vids: true,
 		    onlineHelp: 'sysadmin_network_configuration',
 		},
 		{
-- 
2.39.2



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Re: [pve-devel] [PATCH common v4 1/7] tools: add check_list_empty function

[Fiona Ebner]

Am 29.07.24 um 13:55 schrieb Aaron Lauterer:
> In some situations we don't want a total empty list. I opted for a
> dedicated function instead of integrating it as error in the
> `split_list` function. It is used in many places and the potential
> fallout from unintended behavior changes is too big.
> 
> Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
> Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
> Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
> ---
> changes since: v3: none
> v2: newly added
> 
>  src/PVE/Tools.pm | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm
> index bd305bd..f796bd0 100644
> --- a/src/PVE/Tools.pm
> +++ b/src/PVE/Tools.pm
> @@ -718,6 +718,14 @@ sub split_list {
>      return @data;
>  }
>  
> +sub check_list_empty {
> +    my ($list) = @_;
> +    if (scalar(PVE::Tools::split_list($list)) < 1) {
> +	return 0;
> +    }
> +    return 1;
> +}

This can be very confusing IMHO. Intuitively, I'd expect the expression
check_list_empty($list) to be truthy if $list is empty. I'd rather call
it list_not_empty. But looking at the caller you introduce later, it
might be better to avoid the double negative, flip the truth table and
call it list_is_empty.

> +
>  sub trim {
>      my $txt = shift;
>  


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Re: [pve-devel] [PATCH common v4 1/7] tools: add check_list_empty function

[Aaron Lauterer]

On  2024-09-09  16:02, Fiona Ebner wrote:
> Am 29.07.24 um 13:55 schrieb Aaron Lauterer:
>> In some situations we don't want a total empty list. I opted for a
>> dedicated function instead of integrating it as error in the
>> `split_list` function. It is used in many places and the potential
>> fallout from unintended behavior changes is too big.
>>
>> Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
>> Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
>> Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>
>> ---
>> changes since: v3: none
>> v2: newly added
>>
>>   src/PVE/Tools.pm | 8 ++++++++
>>   1 file changed, 8 insertions(+)
>>
>> diff --git a/src/PVE/Tools.pm b/src/PVE/Tools.pm
>> index bd305bd..f796bd0 100644
>> --- a/src/PVE/Tools.pm
>> +++ b/src/PVE/Tools.pm
>> @@ -718,6 +718,14 @@ sub split_list {
>>       return @data;
>>   }
>>   
>> +sub check_list_empty {
>> +    my ($list) = @_;
>> +    if (scalar(PVE::Tools::split_list($list)) < 1) {
>> +	return 0;
>> +    }
>> +    return 1;
>> +}
> 
> This can be very confusing IMHO. Intuitively, I'd expect the expression
> check_list_empty($list) to be truthy if $list is empty. I'd rather call
> it list_not_empty. But looking at the caller you introduce later, it
> might be better to avoid the double negative, flip the truth table and
> call it list_is_empty.
> 

thanks! sounds like a good idea. I will wait a bit before sending a v5.


>> +
>>   sub trim {
>>       my $txt = shift;
>>   



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Re: [pve-devel] [PATCH common v4 2/7] fix #3893: network: add vlan id and range parameter definitions

[Fiona Ebner]

Am 29.07.24 um 13:55 schrieb Aaron Lauterer:
> @@ -595,6 +601,34 @@ sub pve_verify_iface {
>      return $id;
>  }
>  
> +# vlan id (vids), single or range
> +register_format('pve-vlan-id-or-range', \&pve_verify_vlan_id_or_range);
> +sub pve_verify_vlan_id_or_range {
> +    my ($vlan, $noerr) = @_;
> +
> +    my $check_vid = sub {
> +	my $tag = shift;
> +	if ( $tag < 2 || $tag > 4094) {

Style nit: extra space after parenthesis

> +	    return undef if $noerr;
> +	    die "invalid VLAN tag '$tag'\n";
> +	}
> +    };
> +
> +    if ($vlan !~ m/^(\d+)(?:-(\d+))?$/) {
> +	return undef if $noerr;
> +	die "invalid VLAN configuration '$vlan'\n";
> +    }
> +    my $start = $1;
> +    my $end = $2;
> +    return undef if (!defined $check_vid->($start));

check_vid does not explicitly return anything in the success case, so
this check seems very brittle and I guess relies on implicit return?

Style nits:
parentheses for post-if
missing parentheses for defined()
perlcritic prefers 'return' over 'return undef'

> +    if ($end) {
> +	return undef if (!defined $check_vid->($end));
> +	die "VLAN range must go from lower to higher tag '$vlan'" if $start >= $end && !$noerr;

What if $noerr is set, but $start >= $end? You want to have a 'return'
then, right?

> +    }
> +
> +    return $vlan;
> +}
> +
>  # general addresses by name or IP
>  register_format('address', \&pve_verify_address);
>  sub pve_verify_address {


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Re: [pve-devel] [PATCH common v4 3/7] inotify: interfaces: make sure bridge_vids use space as separator

[Fiona Ebner]

Am 29.07.24 um 13:55 schrieb Aaron Lauterer:
> Because the API accepts multiple possible list separators we need to
> make sure that we write the bridge_vids with space as separator, no
> matter which separator was used when passing it to the API.
> 

Nit: The reason why it's necessary to write out with space as the
separator is missing. Who gets confused otherwise ;)?

Should we do the conversion earlier, i.e. in the API endpoint when
writing the interface parameters? Like that we don't end up carrying the
invalid value around.

> Signed-off-by: Aaron Lauterer <a.lauterer@proxmox.com>
> Tested-By: Stefan Hanreich <s.hanreich@proxmox.com>
> Reviewed-by: Shannon Sterz <s.sterz@proxmox.com>

Still:

Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>


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