* ns2: count number of dropped packets / bytes on transmit
* ns2: Properly report packet drops in FR code
* ns2: Increment Rx and Tx byte / packet counters
* ns2: encapsulate calls to nsvc->bind->send_vc()
* ns2: Use named array initializers to avoid mistakes
* ns2: Work around AF_PACKET socket ENOBUFS problems
* osmo-ns-dummy: Add simple NS traffic generator
* ns2: Log ERROR if we cannot transmit a packet due to ENOBUFS
* ns2: Use proper return value from write_queue callback function
* ns2: remove obsolete type GPRS_NS2_LL_E1
* ns2: move link layer type into NSE
* ns2: move LL into public api
* ns2: permit multiple nsvci in one nse in VTY
* ns2: implement link sharing selector
* ns2: add support for frame relay