r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm_chain(r0, &(0x7f0000000500)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x300000}, 0x2, &(0x7f00000004c0)={&(0x7f0000000940)=@delsa={0x19c, 0x11, 0x20, 0x70bd2c, 0x25dfdbfb, {}, ["", "", "", "", "", ""]}, 0x19c}, 0x1, 0x0, 0x0, 0x40448c4}, 0x40)