leap_cli: can't deploy

It seems like leap_cli is unhappy with some net:ssh thing - it looks like it is because I have a ed25519 key loaded in my agent:

/var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/connections.rb:134:in `establish_connections_to': connection failed for: clam.dev.bitmask.net (Net::SSH::Exception: curve name mismatched (`GzQSyvvÆ)''Çͭ{fÑ (Capistrano::ConnectionError)
ÿdõi' with `'))
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/connections.rb:195:in `block in execute_on_servers'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/connections.rb:193:in `each'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/connections.rb:193:in `each_slice'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/connections.rb:193:in `execute_on_servers'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/actions/invocation.rb:196:in `run_tree'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/configuration/actions/invocation.rb:155:in `run'
	from /var/lib/gems/2.1.0/gems/capistrano-2.15.5/lib/capistrano/extensions.rb:9:in `method_missing'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/remote/leap_plugin.rb:49:in `check_for_no_deploy'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/commands/deploy.rb:51:in `block (4 levels) in '
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/log.rb:128:in `log'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/remote/leap_plugin.rb:13:in `log'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/commands/deploy.rb:50:in `block (3 levels) in '
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/util/remote_command.rb:37:in `ssh_connect'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/lib/leap_cli/commands/deploy.rb:49:in `block (2 levels) in '
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/command_support.rb:130:in `call'
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/command_support.rb:130:in `execute'
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/app_support.rb:262:in `block in call_command'
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/app_support.rb:275:in `call'
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/app_support.rb:275:in `call_command'
	from /var/lib/gems/2.1.0/gems/gli-2.5.6/lib/gli/app_support.rb:69:in `run'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/bin/leap:90:in `'
	from /var/lib/gems/2.1.0/gems/leap_cli-1.5.8/bin/leap:39:in `'
	from /usr/local/bin/leap:23:in `load'
	from /usr/local/bin/leap:23:in `'

if I remove my key from my agent, I can deploy fine.

(from redmine: created on 2014-09-23, closed on 2016-09-07)