Failing to load opensnitch-dns BPF module

[vobst]

I get the following error when trying to start opensnitchd with the ebpf backend:

[2024-10-17 09:03:22]  DBG  [eBPF] trying to load /etc/opensnitchd/opensnitch-dns.o
[2024-10-17 09:03:22]  ERR  [eBPF DNS]:
unable to load eBPF module (opensnitch-dns.o). Your kernel version (6.11.3-1-vpao) might not be compatible.
If this error persists, change process monitor method to 'proc'
[2024-10-17 09:03:22]  WAR  EBPF-DNS: Unable to attach ebpf listener:
unable to load eBPF module (opensnitch-dns.o). Your kernel version (6.11.3-1-vpao) might not be compatible.
If this error persists, change process monitor method to 'proc'

The other programs load fine and I can see them with bpftool. I use a self-compiled kernel so I suspect I may be missing some config (I do have CONFIG_UPROBES=y and CONFIG_UPROBE_EVENTS=y and all the other ones you mention). Is there a way to get more verbose debugging output about why the loading fails? Currently I'm not even sure if it fails in user-space or in some syscall.

[vobst]

Magically solved itself ...