F(packets)
F(bytes)
F(errors)
F(offers)
F(answers)
F(deletes)
F(timeout_sess)
F(foreign_sess)
F(rejected_sess)
F(silent_timeout_sess)
F(offer_timeout_sess)
F(final_timeout_sess)
F(regular_term_sess)
F(forced_term_sess)
F(nopacket_relayed_sess)
F(oneway_stream_sess)