net/iproute2: Handle shortened arguments
net/iproute2: Handle shortened arguments

Allow users to shorten iproute arguments to the shortest unique argument
that will match a flag of iproute2.

X-Gentoo-Bug: 398721
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=398721

Signed-off-by: Robin H. Johnson <aa3b04a87f185a8b919ce94fe21b810489ffb8d4@gentoo.org>

OpenRC/openrc,dwfreed/openrc,williamh/openrc,OpenRC/openrc,williamh/openrc,OpenRC/openrc,dwfreed/openrc,williamh/openrc,dwfreed/openrc