r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm_chain(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={0x0}, 0x1, 0x0, 0x0, 0x20000050}, 0x41)