r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x802c2, 0x0)
fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000040)=0x4)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$inet(0xffffffffffffffff, 0x0, 0x0)
sendfile(r1, r0, 0x0, 0x8000)