log_debug("Received SIG%s from PID %lu (%s)",
strna(signal_to_string(sfsi.ssi_signo)),
(unsigned long) sfsi.ssi_pid, strna(p));
log_debug("Received SIG%s from PID %lu (%s)",
strna(signal_to_string(sfsi.ssi_signo)),
(unsigned long) sfsi.ssi_pid, strna(p));