r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000009c0)={0x0, 0x0, &(0x7f0000000980)={&(0x7f0000000840)=@acquire={0x128, 0x17, 0x301, 0x70bd29, 0x25dfdbff, {{@in=@remote, 0x4d4, 0x2b}, @in6=@private0={0xfc, 0x0, '\x00', 0x1}, {@in6=@private1, @in6=@private1, 0x4e24, 0x100, 0x4e21, 0x54d, 0x2, 0x20, 0x10, 0x2c}, {{@in6=@ipv4={'\x00', '\xff\xff', @private=0xa010101}, @in6=@mcast2, 0x4e20, 0x0, 0x4e22, 0xe, 0x2, 0x80, 0x80, 0x16}, {0xaa, 0x4, 0x5, 0x5, 0x0, 0x83, 0x0, 0x4}, {0x1000, 0x9000000000000, 0x0, 0x10001}, 0x80000001, 0x6e6bbe, 0x0, 0x0, 0x1}, 0x10000, 0x40, 0x6, 0x70bd2d}}, 0x128}, 0x1, 0x0, 0x0, 0x44000}, 0x8000)