permission error during capture leads to assertion failure
./dns-collector -C dns-collector.conf
I 2018-02-09 12:03:21.824195 Selected CSV fields: 0x7fffff
I 2018-02-09 12:03:21.824305 Processing online input ring:lo
! 2018-02-09 12:03:21.824409 libtrace_start of ring:lo error: Could not create raw socket: Operation not permitted
E 2018-02-09 12:03:21.824421 Failed to open ring:lo
I 2018-02-09 12:03:21.824427 Processing of ring:lo unsuccesfull (code -2000)
dns-collector: trace.c:1825: trace_get_dropped_packets: Assertion `trace' failed.
Aborted (core dumped)