Use 'ip link' to prevent permission errors in non-root environments

The 'ip link show' requires root permissions, causing errors.
This change replaces 'ip link show' with 'ip link'.

Bug: 401123634
Test: atest NetworkStaticLibHostPythonTests
Change-Id: I82b219ae9179f23e3233f797aeb4aa3740e6d3ec
2 files changed