Imports github.com/Lkishor123/Gnbsim_5G/encoding/gtp github.com/Lkishor123/Gnbsim_5G/encoding/nas github.com/Lkishor123/Gnbsim_5G/encoding/per Standard library imports encoding/binary encoding/hex encoding/json fmt io/ioutil log math/bits math/rand net strconv strings