/var/log/core/core.dhcp_backend.***.gz
.2023-09-06T01:37:00.251398+00:00 edge-01 kernel - - - [209409.594488] dhcp_backend[10552]: segfault at 98 ip 00001dbd07220f18 sp 0000708084c61670 error 6 in dhcp_backend[1dbd07124000+8bf000]
2023-09-06T01:37:00.251401+00:00 edge-01 kernel - - - [209409.594498] Code: 05 22 fe 5f 00 48 89 85 70 fa ff ff 48 8d 05 26 fe 5f 00 48 89 85 78 fa ff ff 4e 8b 84 c5 00 fa ff ff e9 3f 01 00 00 0f 1f 00 <49> 83 84 cc 90 00 00 00 01 e9 89 fc ff ff 4c 8b 8d a0 fa ff ff 4d
2023-09-06T01:37:00.251403+00:00 edge-01 kernel - - - [209409.594512] grsec: Segmentation fault occurred at 0000000000000098 in /opt/vmware/nsx-edge/bin/dhcp_backend[dhcp_backend:10552] uid/euid:128/128 gid/egid:128/128, parent /opt/vmware/edge/dhcp/entrypoint.sh[entrypoint.sh:10532] uid/euid:128/128 gid/egid:128/128
2023-09-06T01:37:33.991Z edge-01 NSX 4594 - [nsx@6876 comp="nsx-edge" subcomp="node-mgmt" username="root" level="WARNING"] Pid of dhcp changed from 10532 to 8105
2023-09-06T01:37:33.993Z edge-01 NSX 4594 - [nsx@6876 comp="nsx-edge" subcomp="node-mgmt" username="root" level="INFO"] Service dhcp coredump at 2023-09-06 01:37:01 file /var/log/core/core.dhcp_backend.1693964220.8.128.11.gz
2023-09-06T01:37:59.016Z edge-01 NSX 4594 - [nsx@6876 comp="nsx-edge" subcomp="node-mgmt" username="root" level="WARNING" eventFeatureName="infrastructure_service" eventType="edge_service_status_changed" eventSev="warning" eventState="On"] The service dhcp changed from STARTED to CRASHED.
VMware NSX-T Data Center
VMware NSX
If only IPv4 is configured for a DHCP server and IPv6 is not configured, it crashes on receiving DHCPv6 packets because it references a null IPv6 DHCP server.
This issue is resolved in VMware NSX 3.2.4
This issue is resolved in VMware NSX 4.2.0
Workaround: