"Module has invalid ELF structures" on latest netboot kernel

When loading modules (this happens on all modules I've tried), a Module has invalid ELF structures message gets emitted to dmesg.

I'm on latest netboot kernel/initrd/modloop, that is 5.15.4. I take my boot files from my mirror, but I have verified that those files are the same (and same does rsync during the mirroring process).

I don't know if this directly affects the stability - I have only noticed this while reporting #13423 (closed), but it may be related to that issue. This happens on multiple configurations, and multiple machines (see below)

/proc/cmdline

BOOT_IMAGE=vmlinuz-lts ip=dhcp modloop=http://f.sakamoto.pl/modloop-lts nomodeset noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off apkovl=<redacted> initrd=initramfs-lts

BOOT_IMAGE=vmlinuz-lts ip=dhcp modloop=http://f.sakamoto.pl/modloop-lts nomodeset apkovl=<redacted> initrd=initramfs-lts