mmap(&(0x7f0000000000/0x2000)=nil, 0x2000, 0x2000005, 0x32, 0xffffffffffffffff, 0x0)
r0 = socket$nl_xfrm(0x10, 0x3, 0x6)
r1 = dup2(r0, r0)
getsockname(r1, 0x0, &(0x7f0000000100))