r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000480)=@delsa={0x34, 0x12, 0x1, 0x0, 0x0, {@in=@multicast2, 0x4d5, 0x0, 0x6c}, [@mark={0xc}]}, 0x47}}, 0x0)