Turns out this is fixed in upstream gnutls (not the version in Rawhide). The commit which fixes it is: commit 67843b3a8e28e4c74296caea2d1019065c87afb3 Author: Frantisek Krenzelok <krenzelok.frantisek@xxxxxxxxx> Date: Mon Sep 5 13:05:17 2022 +0200 KTLS: fallback to default If an error occurs during setting of keys either initial or key update then fallback to default mode of operation (disable ktls) and let the user know Signed-off-by: Frantisek Krenzelok <krenzelok.frantisek@xxxxxxxxx> lib/handshake.c | 7 ++++++- lib/tls13/key_update.c | 23 +++++++++++++++++++---- 2 files changed, 25 insertions(+), 5 deletions(-) With full debugging you can see the message caused by this commit: nbdkit: null[1]: debug: gnutls: 4: HSK[0x7fc9e00010a0]: TLS 1.3 set read key with cipher suite: GNUTLS_CHACHA20_POLY1305_SHA256 nbdkit: null[1]: debug: gnutls: 13: BUF[HSK]: Emptied buffer nbdkit: null[1]: debug: gnutls: 13: BUF[HSK]: Emptied buffer nbdkit: null[1]: debug: gnutls: 5: REC[0x7fc9e00010a0]: Start of epoch cleanup nbdkit: null[1]: debug: gnutls: 5: REC[0x7fc9e00010a0]: Epoch #0 freed nbdkit: null[1]: debug: gnutls: 5: REC[0x7fc9e00010a0]: Epoch #1 freed nbdkit: null[1]: debug: gnutls: 5: REC[0x7fc9e00010a0]: End of epoch cleanup nbdkit: null[1]: debug: gnutls: 1: disabling KTLS: failed to set keys Is this because kTLS doesn't support PSK? Anyway I will file a bug to add this commit to Rawhide. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue