{"kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 1, 0, 0},
{"no-kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 0, 0, 0},
{"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0},
{"kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 1, 0, 0},
{"no-kernel", 0, POPT_ARG_VAL, &opt_trace_kernel, 0, 0, 0},
{"session", 0, POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_session_name, 0, 0},