r0 = io_uring_setup(0x2501, &(0x7f0000000040))
io_uring_register$IORING_REGISTER_FILES(r0, 0x2, &(0x7f0000000000)=[0xffffffffffffffff], 0x1)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)=ANY=[@ANYBLOB="fc"], 0xfc}}, 0x0)
io_uring_register$IORING_REGISTER_BUFFERS(r0, 0x6, &(0x7f0000002340)=[{0x0, 0x20000000}], 0x1)