r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
sendmsg$nl_xfrm(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000340)=@delpolicy={0x50, 0x12, 0xa05, 0x0, 0x0, {{@in6=@loopback, @in6=@ipv4={'\x00', '\xff\xff', @broadcast}}}}, 0x50}}, 0x0)