r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000680)=@flushpolicy={0x38, 0x12, 0xc9b8ebb5536361cd, 0x0, 0x0, "", [@address_filter={0x28, 0x1a, {@in6=@private1, @in6=@dev}}]}, 0x38}}, 0x0)