r0 = socket$inet6_udp(0xa, 0x2, 0x0)
getsockname(r0, &(0x7f00000000c0)=@pppol2tp={0x18, 0x1, {0x0, <r1=>0xffffffffffffffff, {0x2, 0x0, @initdev}}}, &(0x7f0000000140)=0x80)
mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x12, r1, 0x0)