Cargo Features

SNTP has no features set by default.

[dependencies]
sntp = { version = "0.1.2", features = ["tap"] }
tap = log

Enables ethernet and phy-tap_interface of smoltcp ^0.6.0

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

log tap?