* netstat: Add TCP In/Out Segs
In order to get a better idea of TCP packet loss, we need to know how
many `node_netstat_Tcp_OutSegs` there are so we can compare this to
`node_netstat_Tcp_RetransSegs`.
Signed-off-by: Ben Kochie <superq@gmail.com>
* Update fixtures
Signed-off-by: Ben Kochie <superq@gmail.com>