# File lib/specinfra/command/freebsd/base/interface.rb, line 15
    def check_has_ipv4_address(interface, ip_address)
      ip_address = ip_address.dup
      if ip_address =~ /\/\d+$/
        # remove the prefix - better would be to calculate the netmask
        ip_address.gsub!(/\/\d+$/, "")
      end
      ip_address << " "
      ip_address.gsub!(".", "\\.")
      "ifconfig #{interface} inet | grep 'inet #{ip_address}'"
    end