123130

package not found via tcpdump

5

I have run the example(hello_world, subscribe/notify and request/response) correctly, but I did not catch any packets via the command(sudo tcpdump -i lo -w someip.pcap). Anybody know where the problem is?...

bpf: Failed to load program: Operation not permitted

3

I ran a command like "sudo python3 hello_world.py", but there is an error like: