Maisem Ali 70a1780320 ssh/tailssh: allow multiple sessions on the same conn
Fixes #4920
Fixes tailscale/corp#5633
Updates #4479

Signed-off-by: Maisem Ali <maisem@tailscale.com>
(cherry picked from commit a7d2024e35dadd1e4077d7b66d4c59145379e79d)
2022-07-05 09:56:51 -07:00
..
2022-03-17 11:35:09 -07:00