Imports github.com/elastic/beats/v7/libbeat/common/atomic github.com/elastic/beats/v7/libbeat/logp github.com/elastic/beats/v7/packetbeat/config github.com/tsg/gopacket github.com/tsg/gopacket/afpacket github.com/tsg/gopacket/layers github.com/tsg/gopacket/pcap Standard library imports fmt io os runtime strconv syscall time unsafe