Seems /dev/network_latency was removed upstream.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c3082a674f46fe49383b157882c41dfabaa37113
Seems /dev/network_ latency was removed upstream.
https:/ /git.kernel. org/pub/ scm/linux/ kernel/ git/torvalds/ linux.git/ commit/ ?id=c3082a674f4 6fe49383b157882 c41dfabaa37113