It's something with the synchronization of the background jobs started almost in parallel, that is, it's the 2nd one -- sometimes ipv6, sometimes ipv6 one: Aug 26 11:57:53.399609 localhost wickedd[2992]: lo: updater for lease ipv6:static in state applying finished: success [0m0.311s] Aug 26 11:57:58.156147 localhost wickedd[2992]: lo: updater for lease ipv4:static in state applying finished: success [0m5.068s]