r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x882c2, 0x0)
mmap(&(0x7f0000000000/0xc00000)=nil, 0xc00000, 0x0, 0x1f012, r1, 0x0)
sendto(r0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=@l2tp6={0xa, 0x0, 0x0, @mcast1}, 0x80)