r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000002e00)={0x0, 0x0, &(0x7f0000002dc0)={&(0x7f0000000a00)=@updsa={0xf0, 0x19, 0x17, 0x0, 0x0, {{@in6=@loopback, @in=@initdev={0xac, 0x1e, 0x0, 0x0}, 0x0, 0x0, 0x0, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0xee00}, {@in6=@private1}, @in=@loopback, {}, {0x4}}}, 0xf0}}, 0x0)