TBS 6981 and Ubuntu 18.04 (kernel 4.15)

After restart of whole system its start working again.
Tvheadend shows in log:
2019-02-12 19:19:21.572 linuxdvb: TurboSight TBS 6981 DVB-S/S2 #0 : DVB-S #0 - retune nodata
2019-02-12 19:19:24.413 linuxdvb: TurboSight TBS 6981 DVB-S/S2 #1 : DVB-S #0 - poll TIMEOUT
I have installed drive according instruction https://github.com/tbsdtv/linux_media/wiki.
Logs in attachments.