Improved the anomaly report

Not fixing the issue, but improve the debug message
readability by specifically printing the duplicate
interface network name to help future debugging.

Bug: 255298635
Test: Manual
Merged-In: Ic933a355ccdd36daa235e8021e3b3d2d65bb181a
Change-Id: Ic933a355ccdd36daa235e8021e3b3d2d65bb181a