Comment 7 for bug 1587975

srp 02 21:19:21 theOne PackageKit[2369]: refresh-cache transaction /25152_eecdbeda from uid 1000 finished with need-untrusted after 4105ms
srp 02 21:19:21 theOne PackageKit[2369]: uid 1000 is trying to obtain org.freedesktop.packagekit.system-sources-refresh auth (only_trusted:0)
srp 02 21:19:21 theOne PackageKit[2369]: uid 1000 obtained auth for org.freedesktop.packagekit.system-sources-refresh
srp 02 21:19:25 theOne PackageKit[2369]: refresh-cache transaction /25153_dbdebdcd from uid 1000 finished with need-untrusted after 3485ms

...........

srp 02 23:25:31 theOne PackageKit[2369]: refresh-cache transaction /26863_bebbecaa from uid 1000 finished with need-untrusted after 4315ms
srp 02 23:25:31 theOne PackageKit[2369]: uid 1000 is trying to obtain org.freedesktop.packagekit.system-sources-refresh auth (only_trusted:0)
srp 02 23:25:31 theOne PackageKit[2369]: uid 1000 obtained auth for org.freedesktop.packagekit.system-sources-refresh
srp 02 23:25:35 theOne PackageKit[2369]: refresh-cache transaction /26864_dbabcdae from uid 1000 finished with need-untrusted after 4143ms
srp 02 23:25:35 theOne PackageKit[2369]: uid 1000 is trying to obtain org.freedesktop.packagekit.system-sources-refresh auth (only_trusted:0)
srp 02 23:25:35 theOne PackageKit[2369]: uid 1000 obtained auth for org.freedesktop.packagekit.system-sources-refresh
srp 02 23:25:39 theOne PackageKit[2369]: refresh-cache transaction /26865_adecbdea from uid 1000 finished with need-untrusted after 4305ms
srp 02 23:25:39 theOne PackageKit[2369]: uid 1000 is trying to obtain org.freedesktop.packagekit.system-sources-refresh auth (only_trusted:0)
srp 02 23:25:39 theOne PackageKit[2369]: uid 1000 obtained auth for org.freedesktop.packagekit.system-sources-refresh

Log is filled with this in same interval, is it OK?

After manually killing it, spam stops.