PVE becomes unreachable via ethernet but OS is running

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invalid@exam · 2026-05-27 · via Proxmox Support Forum

May 27 08:13:36 pve01 pveproxy[9019]: authentication failure: 401 permission denied - invalid PVE ticket
May 27 08:13:36 pve01 pveproxy[9020]: authentication failure: 401 permission denied - invalid PVE ticket
May 27 08:13:36 pve01 pveproxy[9021]: authentication failure: 401 permission denied - invalid PVE ticket
May 27 08:13:36 pve01 pveproxy[9019]: authentication failure: 401 permission denied - invalid PVE ticket
May 27 08:13:36 pve01 unix_chkpwd[99177]: password check failed for user (root)
May 27 08:13:36 pve01 IPCC.xs[99175]: pam_unix(proxmox-ve-auth:auth): authentication failure; logname= uid=0 euid=0 tty= ruser= rhost=::ffff:192.168.0.70  user=root
May 27 08:13:37 pve01 pveproxy[9020]: authentication failure: 401 permission denied - invalid PVE ticket
May 27 08:13:38 pve01 pvedaemon[1246]: authentication failure; rhost=::ffff:192.168.0.70 user=root@pam msg=Authentication failure
May 27 08:14:35 pve01 pvedaemon[1245]: <root@pam> successful auth for user 'root@pam'
May 27 08:14:42 pve01 pvedaemon[99407]: starting vnc proxy UPID:pve01:0001844F:002FFF66:6A168BD2:vncproxy:104:root@pam:
May 27 08:14:42 pve01 pvedaemon[1245]: <root@pam> starting task UPID:pve01:0001844F:002FFF66:6A168BD2:vncproxy:104:root@pam:
May 27 08:14:46 pve01 pvedaemon[1245]: <root@pam> end task UPID:pve01:0001844F:002FFF66:6A168BD2:vncproxy:104:root@pam: OK
May 27 08:14:46 pve01 pvedaemon[1246]: <root@pam> starting task UPID:pve01:00018454:003000D8:6A168BD6:vncproxy:109:root@pam:
May 27 08:14:46 pve01 pvedaemon[99412]: starting vnc proxy UPID:pve01:00018454:003000D8:6A168BD6:vncproxy:109:root@pam:
May 27 08:17:01 pve01 CRON[99843]: pam_unix(cron:session): session opened for user root(uid=0) by root(uid=0)
May 27 08:17:01 pve01 CRON[99845]: (root) CMD (cd / && run-parts --report /etc/cron.hourly)
May 27 08:17:01 pve01 CRON[99843]: pam_unix(cron:session): session closed for user root
May 27 08:17:44 pve01 kernel: audit: type=1400 audit(1779862664.578:139): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=99972 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:17:44 pve01 kernel: audit: type=1400 audit(1779862664.578:140): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=99972 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:17:44 pve01 kernel: audit: type=1400 audit(1779862664.578:141): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=99972 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:17:44 pve01 kernel: audit: type=1400 audit(1779862664.578:142): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=99972 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:17:44 pve01 kernel: audit: type=1400 audit(1779862664.578:143): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=99972 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:20:41 pve01 kernel: audit: type=1400 audit(1779862841.121:144): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=100539 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:20:41 pve01 kernel: audit: type=1400 audit(1779862841.121:145): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=100539 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:20:41 pve01 kernel: audit: type=1400 audit(1779862841.121:146): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=100539 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:20:41 pve01 kernel: audit: type=1400 audit(1779862841.121:147): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=100539 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:20:41 pve01 kernel: audit: type=1400 audit(1779862841.121:148): apparmor="DENIED" operation="create" class="net" info="failed protocol match" error=-13 profile="tcpdump" pid=100539 comm="tcpdump" family="unix" sock_type="stream" protocol=0 requested="create" denied="create" addr=none
May 27 08:21:24 pve01 pvedaemon[1245]: <root@pam> successful auth for user 'root@pam'
May 27 08:21:25 pve01 pvedaemon[1246]: <root@pam> starting task UPID:pve01:0001893D:00309CC9:6A168D65:vncproxy:109:root@pam:
May 27 08:21:25 pve01 pvedaemon[100669]: starting vnc proxy UPID:pve01:0001893D:00309CC9:6A168D65:vncproxy:109:root@pam:
May 27 08:23:43 pve01 kernel: usb 2-3: USB disconnect, device number 2
May 27 08:23:44 pve01 QEMU[1599]: kvm: libusb_release_interface: -4 [NO_DEVICE]
May 27 08:23:49 pve01 kernel: usb 2-3: new SuperSpeed USB device number 3 using xhci_hcd
May 27 08:23:49 pve01 kernel: usb 2-3: New USB device found, idVendor=0951, idProduct=1666, bcdDevice= 1.10
May 27 08:23:49 pve01 kernel: usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
May 27 08:23:49 pve01 kernel: usb 2-3: Product: DataTraveler 3.0
May 27 08:23:49 pve01 kernel: usb 2-3: Manufacturer: Kingston
May 27 08:23:49 pve01 kernel: usb 2-3: SerialNumber: 0C9D9211BD96B330195B1120
May 27 08:23:49 pve01 kernel: usb-storage 2-3:1.0: USB Mass Storage device detected
May 27 08:23:49 pve01 kernel: scsi host6: usb-storage 2-3:1.0
May 27 08:23:50 pve01 kernel: usb 2-3: reset SuperSpeed USB device number 3 using xhci_hcd
May 27 08:26:27 pve01 kernel: usb 2-3: USB disconnect, device number 3
May 27 08:26:28 pve01 QEMU[1599]: kvm: libusb_release_interface: -4 [NO_DEVICE]
May 27 08:26:30 pve01 kernel: usb 2-3: new SuperSpeed USB device number 4 using xhci_hcd
May 27 08:26:30 pve01 kernel: usb 2-3: New USB device found, idVendor=0951, idProduct=1666, bcdDevice= 1.10
May 27 08:26:30 pve01 kernel: usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
May 27 08:26:30 pve01 kernel: usb 2-3: Product: DataTraveler 3.0
May 27 08:26:30 pve01 kernel: usb 2-3: Manufacturer: Kingston
May 27 08:26:30 pve01 kernel: usb 2-3: SerialNumber: 0C9D9211BD96B330195B1120
May 27 08:26:30 pve01 kernel: usb-storage 2-3:1.0: USB Mass Storage device detected
May 27 08:26:30 pve01 kernel: scsi host6: usb-storage 2-3:1.0
May 27 08:26:31 pve01 kernel: scsi 6:0:0:0: Direct-Access     Kingston DataTraveler 3.0 PMAP PQ: 0 ANSI: 6
May 27 08:26:31 pve01 kernel: sd 6:0:0:0: Attached scsi generic sg0 type 0
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] 121061376 512-byte logical blocks: (62.0 GB/57.7 GiB)
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] Write Protect is off
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] Mode Sense: 00 00 00 00
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] Asking for cache data failed
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] Assuming drive cache: write through
May 27 08:26:32 pve01 kernel: sd 6:0:0:0: [sda] Attached SCSI removable disk
May 27 08:26:33 pve01 kernel: usb 2-3: reset SuperSpeed USB device number 4 using xhci_hcd
May 27 08:26:40 pve01 pvedaemon[1246]: <root@pam> end task UPID:pve01:0001893D:00309CC9:6A168D65:vncproxy:109:root@pam: OK
May 27 08:26:42 pve01 pvedaemon[1245]: <root@pam> starting task UPID:pve01:00018D40:003118A2:6A168EA2:vncshell::root@pam:
May 27 08:26:42 pve01 pvedaemon[101696]: starting termproxy UPID:pve01:00018D40:003118A2:6A168EA2:vncshell::root@pam:
May 27 08:26:42 pve01 pvedaemon[1246]: <root@pam> successful auth for user 'root@pam'
May 27 08:26:42 pve01 login[101699]: pam_unix(login:session): session opened for user root(uid=0) by root(uid=0)
May 27 08:26:42 pve01 systemd-logind[856]: New session 28 of user root.
May 27 08:26:42 pve01 systemd[1]: Started session-28.scope - Session 28 of User root.
May 27 08:26:42 pve01 login[101699]: ROOT LOGIN ON pts/0
May 27 08:27:01 pve01 login[101699]: pam_unix(login:session): session closed for user root
May 27 08:27:01 pve01 systemd[1]: session-28.scope: Deactivated successfully.
May 27 08:27:01 pve01 systemd-logind[856]: Session 28 logged out. Waiting for processes to exit.
May 27 08:27:01 pve01 systemd-logind[856]: Removed session 28.
May 27 08:27:01 pve01 pvedaemon[1245]: <root@pam> end task UPID:pve01:00018D40:003118A2:6A168EA2:vncshell::root@pam: OK
May 27 08:27:05 pve01 pvedaemon[1245]: <root@pam> starting task UPID:pve01:00018D99:00312177:6A168EB9:vncshell::root@pam:
May 27 08:27:05 pve01 pvedaemon[101785]: starting termproxy UPID:pve01:00018D99:00312177:6A168EB9:vncshell::root@pam:
May 27 08:27:05 pve01 pvedaemon[1246]: <root@pam> successful auth for user 'root@pam'
May 27 08:27:05 pve01 login[101788]: pam_unix(login:session): session opened for user root(uid=0) by root(uid=0)
May 27 08:27:05 pve01 systemd-logind[856]: New session 29 of user root.
May 27 08:27:05 pve01 systemd[1]: Started session-29.scope - Session 29 of User root.
May 27 08:27:05 pve01 login[101788]: ROOT LOGIN ON pts/0
May 27 08:27:21 pve01 login[101788]: pam_unix(login:session): session closed for user root
May 27 08:27:21 pve01 pvedaemon[1245]: <root@pam> end task UPID:pve01:00018D99:00312177:6A168EB9:vncshell::root@pam: OK
May 27 08:27:21 pve01 systemd[1]: session-29.scope: Deactivated successfully.
May 27 08:27:21 pve01 systemd-logind[856]: Session 29 logged out. Waiting for processes to exit.
May 27 08:27:21 pve01 systemd-logind[856]: Removed session 29.
May 27 08:39:11 pve01 pveproxy[9019]: problem with client ::ffff:192.168.0.70; No route to host
May 27 08:39:11 pve01 pvedaemon[1246]: <root@pam> end task UPID:pve01:00018454:003000D8:6A168BD6:vncproxy:109:root@pam: OK
May 27 08:50:37 pve01 postfix/qmgr[1188]: 48ED4E1585: from=<root@pve01.homeeee.local>, size=8719, nrcpt=1 (queue active)
May 27 08:50:37 pve01 postfix/smtp[106130]: 48ED4E1585: host mx01.gmail.com[74.208.5.22] refused to talk to me: 554-gmail.com (mxgmxus003) Nemesis ESMTP Service not available 554-No SMTP service 554-Bad DNS PTR resource record. 554 For explanation visit https://postmaster.gmail.com/en/case?c=r0601&i=ip&v=31.16.254.219&r=1MzkGF-1xEiXU1rjV-0115nQ
May 27 08:50:37 pve01 postfix/smtp[106130]: 48ED4E1585: to=<myname@gmail.com>, relay=mx00.gmail.com[74.208.5.20]:25, delay=30000, delays=30000/0.01/0.62/0, dsn=4.0.0, status=deferred (host mx00.gmail.com[74.208.5.20] refused to talk to me: 554-gmail.com (mxgmxus001) Nemesis ESMTP Service not available 554-No SMTP service 554-Bad DNS PTR resource record. 554 For explanation visit https://postmaster.gmail.com/en/case?c=r0601&i=ip&v=31.16.254.219&r=1MkoG9-1xArAI2zWB-00nZQk)
May 27 09:17:01 pve01 CRON[111025]: pam_unix(cron:session): session opened for user root(uid=0) by root(uid=0)

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