[2021-01-30 12:40:03] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB2: Permission denied
-- [dongle1] Trying to connect on /dev/ttyUSB5...
[2021-01-30 12:40:03] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB5: Permission denied
-- [dongle2] Trying to connect on /dev/ttyUSB8...
[2021-01-30 12:40:03] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB8: Permission denied
-- [dongle0] Trying to connect on /dev/ttyUSB2...
[2021-01-30 12:40:18] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB2: Permission denied
-- [dongle1] Trying to connect on /dev/ttyUSB5...
[2021-01-30 12:40:18] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB5: Permission denied
-- [dongle2] Trying to connect on /dev/ttyUSB8...
[2021-01-30 12:40:18] WARNING[2877]: chan_dongle.c:218 opentty: unable to open /dev/ttyUSB8: Permission denied