[Merge] ~paelzer/ubuntu-seeds/+git/ubuntu:cleanup-dec2019 into ~ubuntu-core-dev/ubuntu-seeds/+git/ubuntu:focal

[Bryce Harrington]

Review: Approve

https://packages.ubuntu.com/xenial/net/iptraf
https://packages.ubuntu.com/xenial/iptraf-ng
https://launchpad.net/ubuntu/bionic/+package/iptraf-ng

LGTM, +1
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https://code.launchpad.net/~paelzer/ubuntu-seeds/+git/ubuntu/+merge/376668
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