sync patch after gopacket/pcap sync

[jasperla]

sync patch after #1347 was merged

cc: @andrewkroh

[elasticsearch-release]

Jenkins standing by to test this. If you aren't a maintainer, you can ignore this comment. Someone with commit access, please review this and clear it for Jenkins to run; then say 'jenkins, test it'.

[tsg]

Thanks @jasperla! Appreciate you following up to fix this.

[jasperla]

Cheers :)