New "tc qdisc" options

["davecb spamcop net" <davecb spamcop net>]

I need to set tc under network manager to enable CAKE in Fedora/Red Hat
8/Centos 8/Ubuntu for a community of users badly affected by "bufferbloat".
On my test machine, I can the appropriate options with tc, but it is almost
immediately reset by Network Manager. 

I see code in 

https://gitlab.freedesktop.org/NetworkManager/NetworkManager/blob/master/libnm-core/nm-setting-tc-config.c

which implements setting tc qdisc, and a brief mention in

https://developer.gnome.org/NetworkManager/stable/

However the man pages do not mention tc.

Can you provide a hint on setting, for example, /tc qdisc replace dev
enp0s25 root cake bandwidth 20mbit/ in network manager?








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