i have a problem with conntrack

[zhonghwe]

i use your contrack struct, and i give a ct.Table(10), but it doesn't go into effect, i want the result is "cookie=0x0, duration=5.279s, table=0, n_packets=0, n_bytes=0, ip actions=ct(table=10,zone=2)",
but the current result is "cookie=0x0, duration=2.421s, table=0, n_packets=0, n_bytes=0,ip actions=ct(table=0,zone=2560)",
so if i use it as incorrect，and i want to know the correct method to use the conntrack

that is my method to use :
ct :=ofp13.NewOfpActionConnTrack()
ct.Table(10)
ct.ZoneImm(2)
instruction.Append(ct)