pub fn take(
t: &mut Tracker,
ev: &Event,
own_netns: u32,
unit: impl FnOnce() -> Option<UnitId>,
ifname: &mut dyn FnMut(u32) -> Option<String>,
)Expand description
One event as the loop takes it: ignored if it acts in another netns, a
loss nothing can place if the netns is unknown, else parsed and applied
to t for the unit unit() finds (unattributed if none).