Moin,
das spielt keine Rolle, aber beim nächsten Mal frag die KI auch was Du von dem ganzen Kram den Du da gesammelt hast, Posten sollst 
Ich habe keine Lust mir ungefiltert hier alles selbst zusammenzusuchen, Du machst es Dir zu einfach.
Es hätte hingereicht, wenn Du mit Deinen Worten das System beschreibst, z. B:
ich habe ein Proxmox Cluster mit drei Nodes, mit je 64 GB Memory und 512 GB M.2 SSD, auf dem Node, wo HA als HAOS in der VM läuft, habe ich 8 GB an Speicher und 4 Kerne zugewiesen, das Rootlaufwerk ist 32 GB groß.
Oder ein Bild
Aber fangen wir mal an:
zu 1. da, ist nur von Belang
5 Übereinstimmungen (5 überprüft) in geöffneten Dateien gefunden
/home/dp20eic/Downloads/HA_supervisor_2025-08-08T07-38-40.426Z.txt: 5
179: 30: e[33m2025-08-08 01:02:24.913 WARNING (SyncWorker_1) [supervisor.host.sound] Can't update PulseAudio data: Failed to connect to pulseaudio servere[0m
182: 30: e[33m2025-08-08 01:02:25.207 WARNING (MainThread) [supervisor.utils.whoami] Can't fetch Whoami data: Cannot connect to host services.home-assistant.io:443 ssl:default [DNS server returned
183: 30: e[33m2025-08-08 01:02:25.207 WARNING (MainThread) [supervisor.core] Can't adjust Time/Date settings: Can't fetch Whoami data: Cannot connect to host services.home-assistant.io:443 ssl:def
306: 30: e[33m2025-08-08 01:06:19.079 WARNING (MainThread) [supervisor.utils.pwned] Can't fetch HIBP data: Cannot connect to host api.pwnedpasswords.com:443 ssl:default [Network unreachable]e[0m
309: 30: e[33m2025-08-08 01:06:19.223 WARNING (MainThread) [supervisor.updater] Can't fetch versions from https://version.home-assistant.io/stable.json: Cannot connect to host version.home-assista
23 Übereinstimmungen (23 überprüft) in der Datei gefunden
/home/dp20eic/Downloads/HA_supervisor_2025-08-08T07-38-40.426Z.txt: 23
16:114: e[32m2025-08-07 19:02:10.751 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
35:114: e[32m2025-08-07 20:02:11.132 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
58:114: e[32m2025-08-07 21:02:11.743 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
77:114: e[32m2025-08-07 22:02:12.340 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
101:114: e[32m2025-08-07 23:02:12.728 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
121:114: e[32m2025-08-08 00:02:13.090 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
242: 30: e[31m2025-08-08 01:03:48.788 ERROR (MainThread) [supervisor.docker.interface] Can't install ghcr.io/home-assistant/amd64-hassio-supervisor:2025.07.3: 500 Server Error for http+docker://
242:162: 't install ghcr.io/home-assistant/amd64-hassio-supervisor:2025.07.3: 500 Server Error for http+docker://localhost/v1.48/images/create?tag=2025.07.3&fromImage=ghcr.io%2Fhome-assistant%2F
242:331: ome-assistant%2Famd64-hassio-supervisor&platform=linux%2Famd64: Internal Server Error ("Get "https://ghcr.io/v2/": net/http: request canceled while waiting for connection (Client.Timeou
244:188: 't install ghcr.io/home-assistant/amd64-hassio-supervisor:2025.07.3: 500 Server Error for http+docker://localhost/v1.48/images/create?tag=2025.07.3&fromImage=ghcr.io%2Fhome-assistant%2F
244:357: ome-assistant%2Famd64-hassio-supervisor&platform=linux%2Famd64: Internal Server Error ("Get "https://ghcr.io/v2/": net/http: request canceled while waiting for connection (Client.Timeou
290:114: e[32m2025-08-08 01:06:10.470 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
291:112: e[32m2025-08-08 01:06:10.504 INFO (MainThread) [supervisor.resolution.module] Create new issue dns_server_ipv6_error - dns_server / dns://192.168.1.20e[0m
317:114: e[32m2025-08-08 02:02:33.204 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
335:114: e[32m2025-08-08 03:02:33.576 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
358:114: e[32m2025-08-08 04:02:33.973 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
377:114: e[32m2025-08-08 05:02:34.346 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
400:114: e[32m2025-08-08 06:02:34.700 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
418:114: e[32m2025-08-08 07:02:35.074 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
442:114: e[32m2025-08-08 08:02:35.428 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
463:114: e[32m2025-08-08 09:02:35.786 INFO (MainThread) [supervisor.resolution.checks.base] Run check for dns_server_ipv6_error/dns_servere[0m
487: 30: e[31m2025-08-08 09:35:28.892 ERROR (MainThread) [supervisor.api.ingress] Stream error with http://172.30.33.1:1337/stable-b7ef8f9bd70cb5b342fa8ec8a0086bad676d8124/static/out/vs/workbenc
487: 81: e[31m2025-08-08 09:35:28.892 ERROR (MainThread) [supervisor.api.ingress] Stream error with http://172.30.33.1:1337/stable-b7ef8f9bd70cb5b342fa8ec8a0086bad676d8124/static/out/vs/workbenc
Du hast ein Problem IPv6 und dem DNS.
Zu 2. da, ist von Belang, eigentlich nichts, weil ich mir da nicht die Informationen zusammen suche, das hättest Du auch selbst machen können, auch ohne Linux Kenntnisse.
Das Einzige, was mir da aufgefallen ist, ist, dass Du eine ältere Version von Proxmox einsetzt, ist glaube ich 8.3, aktuell war bis vor zwei, drei Tagen 8.4 und seit zwei Tagen Proxmox V 9!
Zu 3. da, ist von Belang, nichts was mir aufgefallen ist!
Zu 4. da ist auffällig, dass der Netzwerk-Resolver ständig zwischen UDP und TCP hin und her schwankt, führe ich aber auch auf die Probleme mit IPv6 zurück, bin aber kein Netzwerker.
2025-08-08 07:38:29.490 homeassistant systemd[1]: Started Journal Gateway Service.
2025-08-08 07:38:29.495 homeassistant systemd-timesyncd[451]: Network configuration changed, trying to establish connection.
2025-08-08 07:38:35.279 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server 192.168.1.20.
2025-08-08 07:38:40.272 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server 192.168.1.20.
2025-08-08 07:38:40.449 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:38:50.449 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:38:56.592 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:38:56.593 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:39:01.699 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:39:06.699 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:39:13.039 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server 192.168.1.20.
2025-08-08 07:39:23.023 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server 192.168.1.20.
2025-08-08 07:39:23.026 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:39:23.027 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:39:31.151 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server 192.168.1.20.
2025-08-08 07:39:33.199 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:39:36.272 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server 192.168.1.20.
2025-08-08 07:39:36.272 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:39:36.273 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fd00::b2f2:8ff:fe65:236.
2025-08-08 07:39:41.449 homeassistant systemd-resolved[369]: Using degraded feature set UDP instead of TCP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:39:44.529 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
2025-08-08 07:39:46.342 homeassistant systemd-resolved[369]: Using degraded feature set TCP instead of UDP for DNS server fdfd:8d23:af40:0:b2f2:11ff:fe13:63c9.
Zu 5. da, sage ich jetzt auch nichts zu.
VG
Bernd
P.S.: auch die Fragen, die man stellt, sind wichtig und sollten beantwortet werden, ist das HAOS in einer VM oder als Docker Container.