iproute: 4.15.0 -> 4.16.0

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/iproute2/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/ctstat -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/ctstat --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/ifstat help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/lnstat -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/lnstat --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/nstat help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/routef -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/routef --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/routef help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/routel --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/routel help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/rtpr -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/rtpr --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/rtpr help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/rtstat -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/rtstat --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/ss -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/ss --help’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/tc -h’ got 0 exit code
- ran ‘/nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0/bin/tc help’ got 0 exit code
- found 4.16.0 with grep in /nix/store/m3b8yhqabqfzamhgnrxy1nffy7dmf4zy-iproute2-4.16.0
- directory tree listing: https://gist.github.com/3cbeb932502256cc3c7505200003d620