r0 = socket$inet6_udp(0xa, 0x2, 0x0)
connect$inet6(r0, &(0x7f0000000540)={0xa, 0x0, 0x0, @dev, 0x2}, 0x1c)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
fallocate(r1, 0x0, 0x0, 0x1000001)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x1000009, 0x1f012, r1, 0x0)
sendmmsg$inet6(r0, &(0x7f0000004d00)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x200000}], 0x1, 0x0)