r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000040c0)={0x0, 0x0, &(0x7f0000004080)={&(0x7f0000000240)=@acquire={0x128, 0x17, 0xe09, 0x0, 0x0, {{@in=@initdev={0xac, 0x1e, 0x0, 0x0}}, @in6=@empty, {@in=@initdev={0xac, 0x1e, 0x0, 0x0}, @in6=@private1}, {{@in, @in6=@loopback}, {}, {}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xeba4e6d651ff6923}}}, 0x128}}, 0x0)