allow syscall tracing with eBPF like
bcc libbpf-tools opensnoop to trouble
shoot open syscall for UI user nobody
unable to run loxicmd save -a -c /var/ipfire/loxilib/
see https://github.com/vincentmli/BPFire/issues/30
mount -t debugfs none /sys/kernel/debug/
Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>