r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000002dc0)={&(0x7f0000001400)=@updsa={0x11c, 0x16, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@private, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xee01}, {@in=@local, 0x0, 0x33}, @in=@private}, [@user_kmaddress={0x2c, 0x13, {@in6=@private0, @in=@multicast2}}]}, 0x11c}}, 0x0)