From #wikimedia-codereview:
[22:15:39] * ChanServ set mode +o |L [22:15:51] * |L set mode -q grrrit-wm*!*@*. [22:15:51] * grrrit-wm (~lolrrit@wikimedia/bot/grrrit-wm) has quit (Remote host closed the connection). [22:15:55] * |L set -o |L [22:15:57] <|L> meh [22:16:34] * grrrit-wm (~lolrrit@wikimedia/bot/grrrit-wm) has joined.
Happened more than once