Right clicking in Expert Infos to create a filter (duplicate IP) results in invalid filters

This issue was migrated from bug 11073 in our old bug tracker.

Original bug information:

Reporter: pro…@‍gma…
Status: RESOLVED FIXED
Product: Wireshark
Component: GTK+ UI
OS: Windows 7
Platform: x86
Version: 1.12.4

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information