warnings in puppet 5.5

[stefansimon76]

Expected Behavior

no warnings

Actual Behavior

Warning: This method is deprecated, please use the stdlib validate_legacy function,
with Pattern[]. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/network/manifests/interface.pp", 507]:
(location: /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:34:in deprecation') Warning: This method is deprecated, please use the stdlib validate_legacy function, with Stdlib::Compat::Bool. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/network/manifests/interface.pp", 508]: (location: /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:34:in deprecation')
Warning: This method is deprecated, please use the stdlib validate_legacy function,
with Stdlib::Compat::Array. There is further documentation for validate_legacy function in the README. at ["/etc/puppetlabs/code/environments/production/modules/network/manifests/interface.pp", 512]:
(location: /etc/puppetlabs/code/environments/production/modules/stdlib/lib/puppet/functions/deprecation.rb:34:in `deprecation')

Steps to Reproduce the Problem

1. add a dependency to this module
2. configure an interface

Please add this info:

1. RHEL 7 Kernel 3.10.0
2. puppet 5.5.17
3. The relevant Puppet code and eventually Hiera data
   metadata.json
   "dependencies": [
   {"name":"puppetlabs/stdlib","version_requirement":">= 1.0.0"},
   {"name":"puppet/firewalld","version_requirement":">= 1.0.0"},
   {"name":"puppet/selinux","version_requirement":">= 1.0.0"},
   {"name":"example42/network","version_requirement":">= 1.0.0"}
   ]

class pegelrelay::configure_shared_network_interface (
) {

    network::interface { 'shared-network-interface':
        name   => 'ens224',
        ipaddr => '172.16.1.222',
        prefix => '27',
    }

}

[Krenair]

Yeah, I've run into this too and I think Puppet 5.5 does not expect the module to be supporting anything below 4.4, but it allows down to 3.0 (not sure why). There's even a comment in manifests/mroute/validate_gw.pp saying We need it to have compatibility with puppet 3.x