bstop: mute tmux kill-server
bstop: mute tmux kill-server

in fact, the session should no longer exist at this stage
due to bhyve process must be dead and tmux should end automatically.
lets leave this command just in case but mute output and make errcode = 0

olevole/cbsd,cbsd/cbsd,cbsd/cbsd,olevole/cbsd,cbsd/cbsd,olevole/cbsd,cbsd/cbsd,olevole/cbsd