The newer kernels now have /proc/net/xt_qtaguid/iface_stat_fmt.
Add the extra iptables output and remove ip6tables for nat which doesn't
exist.
Change-Id: I819c707b337a707ca0acd87d9ab38cd68ca0f36c
adb bugreport > b & sleep 5; kill $?
will show that a bunch of tools will SIGPIPE when trying to output data
which is normal.
We don't have a way on linux (bsd yes), to set NOSIGPIPE on the file desc
passed down via fork/exec.
Bug: 6447319
Change-Id: I25b30a823addcff89d252f162d0a07035d4fdd3f
