r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm_chain(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000540)=ANY=[@ANYBLOB="f0000000000001"], 0x105}, 0x1, 0x0, 0x0, 0x81}, 0xc004)