r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x46e2, 0x0)
ftruncate(r0, 0x1000003)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
connect$inet(r1, &(0x7f0000000040)={0x2, 0x0, @local}, 0x10)
connect$inet(r1, &(0x7f0000000000)={0x2, 0x0, @multicast2}, 0x10)
sendfile(r1, r0, 0x0, 0xffe9)