Yes, journalctl --follow shows this error in the VM that should receive the qvm-connect-tcp connection initiated by another VM:
Apr 30 05:15:38 sys-something qrexec-agent[3178]: 2026-04-30 05:15:38.462 qrexec-agent[3178]: exec.c:589:qubes_tcp_connect: Connecting to 127.0.0.1:1080
Apr 30 05:15:38 sys-something qrexec-agent[3178]: 2026-04-30 05:15:38.462 qrexec-agent[3178]: exec.c:623:qubes_tcp_connect: connect: Connection refused
Apr 30 05:15:38 sys-something qrexec-agent[3178]: 2026-04-30 05:15:38.462 qrexec-agent[3178]: qrexec-agent-data.c:242:handle_new_process_common: failed to spawn process