Launchpad currently recommends translating network-manager in Ubuntu Cosmic.

Template "networkmanager" in Ubuntu Cosmic package "network-manager"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1972 1972 0 0
Dakota 100.00  100.0% untranslated 1972 1972 0 0
Hawaiian 100.00  100.0% untranslated 1972 1972 0 0
Inuktitut 100.00  100.0% untranslated 1972 1972 0 0
Lakota 100.00  100.0% untranslated 1972 1972 0 0
Ojibwe 100.00  100.0% untranslated 1972 1972 0 0
Spanish 000.51  99.4929006085% translated  0.507099391481% untranslated 10 10 34 34 766 766 2018-11-07 13:19:25 UTC 2018-11-07 Rodrigo
Tlingit 100.00  100.0% untranslated 1972 1972 0 0
Yiddish 100.00  100.0% untranslated 1972 1972 0 0
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of network-manager in Ubuntu