subsystem request for sftp
debug1: subsystem: exec() /usr/libexec/sftp-server
debug1: Received SIGCHLD.
debug1: session_by_pid: pid 25267
debug1: session_exit_message: session 0 channel 0 pid 25267
debug1: session_exit_message: release channel 0
debug1: session_by_channel: session 0 channel 0
debug1: session_close_by_channel: channel 0 child 0
debug1: session_close: session 0 pid 0
debug1: channel 0: free: server-session, nchannels 1
Connection closed by ::1
debug1: do_cleanup
Closing connection to ::1