r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000009c0)={0x0, 0x0, &(0x7f0000000980)={&(0x7f0000000400)=@acquire={0x13c, 0x17, 0x1, 0x0, 0x0, {{@in=@loopback}, @in, {@in=@empty, @in=@broadcast}, {{@in=@dev, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0xa}}}, [@sec_ctx={0xc, 0x8, {0x8}}, @XFRMA_IF_ID={0x8}]}, 0x13c}}, 0x0)