libssh2_channel_open_ex(ss->session, pv_channel_typ
 Net::SSH2::poll: timeout = 250, array[1]
 - [0] = channel
 - [0] events 1
 - libssh2_poll returned 0
 - [0] revents 0
 Net::SSH2::poll: timeout = 250, array[1]
 - [0] = channel
 - [0] events 1
 - libssh2_poll returned 0
 - [0] revents 0
 Net::SSH2::Channel::DESTROY
 Net::SSH2::DESTROY object 0x3604f98"