rtnl_trace.bt

#!/usr/local/bin/bpftrace
kprobe:rtnl_lock,kprobe:rtnl_unlock,kprobe:rtnl_trylock 
{
	printf("%s, %s\n",strftime("%H:%M:%S:%f", nsecs), kstack());
}

kretprobe:rtnl_lock {
	printf ("GOT IT %s, %s\n", strftime("%H:%M:%S:%f", nsecs), kstack());\
}