provenance: origin processed several time by different clients

The origin client are processing several times the same origin:

./client.py 5

INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/apper.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/apper.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/apper.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/apper.git in 0:00:11.722244
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/apper.git in 0:00:11.912540
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/apper.git in 0:00:11.996918
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/apper.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/apper.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appimage-packaging.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appimage-packaging.git in 0:00:02.261688
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appimage-packaging.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appimage-packaging.git in 0:00:00.413402
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appmenu-runner.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appmenu-runner.git in 0:00:00.742465
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appmenu-runner.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/apper.git in 0:00:05.088323
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appmenu-runner.git in 0:00:00.395179
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appstream-runner.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appstream-runner.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/apper.git in 0:00:05.518890
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appstream-runner.git in 0:00:00.459686
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appstream-runner.git in 0:00:00.478736
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/appstream-runner.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/ark.git
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/ark.git
INFO:swh.provenance.origin:Processed origin https://anongit.kde.org/appstream-runner.git in 0:00:00.504360
INFO:swh.provenance.origin:Processing origin https://anongit.kde.org/ark.git

The origin server is probably sending the same url until a ack is received

---

Migrated from T4302 (view on Phabricator)