lantz

#1166 tries to use cgroupfs-mount if needed and also handles the change from `cpu.cfs_quota_us` to `cpu.max`; there may be some remaining issues however

Closing this for now. If you have a reproducible test case using the official VM image, we can reopen.

This seems to work fine using the Mininet VM image (which I believe uses `wireshark-gtk`) so I am closing this. You haven't provided a lot of information, but on Ubuntu...

Reopening because 1) current master (2.3.1b1 atm) is supposed to be usable and 2) we want to fix this for 2.3.1 in case we need to do a 2.3.1p1 or...

Does mininet> sh clear not work for you?

Can you confirm that this issue occurs in the Ubuntu 20.04 VM for Mininet 2.3.0? We don't currently run the CI tests on 21.04 because github actions doesn't support it...

Have you tried `mn -v debug --test iperf`? I think it reveals the issue. Old iperf: ``` ... Client output: ------------------------------------------------------------ Client connecting to 10.0.0.2, TCP port 5001 TCP window...

This could be a bug report vs. cluster edition, but as I understand it CE does in fact work with Python 3.0.

**I recommend trying to read and understand error messages**. I also recommend pasting text rather than a screenshot. In this case it seems to be telling you that the `libc-bin`...

I'm not sure this preserves the proper API semantics, since `setIP()` is supposed to set the primary IP address of an interface, not add a new address to it. Removing...