Provisionning block on dracut

Problem:
my provision build is block on dracut command …
Expected outcome:
build continue !

Foreman and Proxy versions:
3.3
Foreman and Proxy plugin versions:
3.3
Distribution and version:
RHEL8.6
Other relevant data:
some tcpdump give me this : (as there is nothing in foreman logs…)
04:43:54.436313 IP (tos 0x0, ttl 64, id 29607, offset 0, flags [DF], proto TCP (6), length 408)
10.10.10.70.59734 > otvmi344s.foreman-install.worldline.com.http: Flags [P.], cksum 0xc753 (correct), seq 1:357, ack 1, win 229, options [nop,nop,TS val 1905818404 ecr 3322625614], length 356: HTTP, length: 356
GET /unattended/provision?token=8f68e568-0168-4f2f-b40f-8e40fec31085 HTTP/1.1
Host: otvmi344s.foreman-install.worldline.com
User-Agent: curl/7.61.1
Accept: /
X-Anaconda-Architecture: x86_64
X-Anaconda-System-Release: Red Hat Enterprise Linux
X-RHN-Provisioning-MAC-0: ens192 00:50:56:ac:73:66
X-RHN-Provisioning-MAC-1: ens224 00:50:56:ac:c2:91

04:43:54.436339 IP (tos 0x0, ttl 64, id 21358, offset 0, flags [DF], proto TCP (6), length 52)

04:44:13.030923 IP (tos 0x0, ttl 64, id 22596, offset 0, flags [DF], proto TCP (6), length 540)
otvmi344s.foreman-install.worldline.com.http > 10.10.10.70.33062: Flags [P.], cksum 0x2a69 (incorrect → 0x3f2e), seq 3422564822:3422565310, ack 124689147, win 235, options [nop,nop,TS val 3322644209 ecr 787038050], length 488: HTTP, length: 488
HTTP/1.1 502 Proxy Error
Date: Thu, 21 Jul 2022 08:29:12 GMT
Server: Apache
Content-Length: 341
Content-Type: text/html; charset=iso-8859-1

    <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
    <html><head>
    <title>502 Proxy Error</title>
    </head><body>
    <h1>Proxy Error</h1>
    <p>The proxy server received an invalid
    response from an upstream server.<br />
    The proxy server could not handle the request<p>Reason: <strong>Error reading from remote server</strong></p></p>
    </body></html>

04:44:13.031114 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto TCP (6), length 40)

last lines of production.log :
2022-07-21T04:55:53 [I|app|4a7e5ad3] Completed 200 OK in 1407ms (Views: 0.1ms | ActiveRecord: 996.5ms | Allocations: 1291795)
2022-07-21T04:55:56 [I|app|ca43d2ea] Imported report for otvmi344s.foreman-install.worldline.com in 7589.9 ms, status refreshed in 5529.1 ms
2022-07-21T04:55:57 [I|app|ca43d2ea] Rendering api/v2/config_reports/create.json.rabl
2022-07-21T04:55:57 [I|app|ca43d2ea] Rendered api/v2/config_reports/create.json.rabl (Duration: 800.2ms | Allocations: 758177)
2022-07-21T04:55:57 [I|app|ca43d2ea] Completed 201 Created in 17529ms (Views: 902.5ms | ActiveRecord: 12856.6ms | Allocations: 13241066)
2022-07-21T04:56:00 [I|app|d8b7bdb0] Started GET “/notification_recipients” for 10.26.238.66 at 2022-07-21 04:56:00 -0400
2022-07-21T04:56:01 [I|app|d8b7bdb0] Processing by NotificationRecipientsController#index as JSON
2022-07-21T04:56:03 [I|app|d8b7bdb0] Completed 200 OK in 1674ms (Views: 0.2ms | ActiveRecord: 765.7ms | Allocations: 1463274)

last lines of proxy.log :
2022-07-21T04:26:39 3558ac15 [I] Started POST /tftp/fetch_boot_file
2022-07-21T04:26:39 3558ac15 [I] Finished POST /tftp/fetch_boot_file with 200 (2.3 ms)
2022-07-21T04:26:39 3558ac15 [I] [21209] Started task /usr/bin/curl\ --silent\ --show-error\ --connect-timeout\ 10\ --retry\ 3\ --retry-delay\ 10\ --max-time\ 3600\ --remote-time\ --time-cond\ /var/lib/tftpboot/boot/wl-rhel8-6-QmSxtZcSitjs-initrd.img\ --write-out\ Task\ done,\ result:\ %{http_code},\ size\ downloaded:\ %{size_download}b,\ speed:\ %{speed_download}b/s,\ time:\ %{time_total}ms\ --output\ /var/lib/tftpboot/boot/wl-rhel8-6-QmSxtZcSitjs-initrd.img\ --location\ https://otvmi344s.foreman-install.worldline.com/RHEL/RHEL-8.6/images/pxeboot/initrd.img
2022-07-21T04:43:41 656dcff7 [I] Started GET /v2/features
2022-07-21T04:43:41 656dcff7 [I] Finished GET /v2/features with 200 (14.93 ms)

the httpd logs :
10.10.10.70 - - [21/Jul/2022:04:29:12 -0400] “GET /unattended/provision?token=8f68e568-0168-4f2f-b40f-8e40fec31085 HTTP/1.1” 502 341 “-” “curl/7.61.1”
10.26.238.66 - - [21/Jul/2022:04:49:11 -0400] “GET /unattended/provision?spoof=123.321.123.321 HTTP/1.1” 301 - “-” “Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.75 Safari/537.36”
10.10.10.1 - - [21/Jul/2022:04:49:49 -0400] “GET /unattended/provision?spoof=123.321.123.321 HTTP/1.1” 301 - “-” “curl/7.61.1”
10.10.10.1 - - [21/Jul/2022:04:49:54 -0400] “GET /unattended/provision?spoof=123.321.123.321 HTTP/1.1” 301 - “-” “curl/7.61.1”

and the error :
[Thu Jul 21 04:44:13.030691 2022] [proxy_http:error] [pid 19733:tid 140088595961600] (70007)The timeout specified has expired: [client 10.10.10.70:33062] AH01102: error reading status line from remote server httpd-UDS:0
[Thu Jul 21 04:44:13.030785 2022] [proxy:error] [pid 19733:tid 140088595961600] [client 10.10.10.70:33062] AH00898: Error reading from remote server returned by /unattended/provision

This looks like problems with your network infrastructure (timeouts).