Bug al iniciar DHCP en Ubuntu Desktop 18.04 / Bug when starting dhcp in Ubuntu 18.04

soy estudiante de Administración en Sistemas Informáticos en Red (ASIR). Estoy realizando la actividad para configurar el servidor dhcp en Ubuntu 18.04. Al comprobar su estado me resalta un mensaje diciendo que tengo un bug.

Hi. Im a computer student. I have to do an activity to set up a dhcp server on Ubuntu 18.04. When I check it condition, in the terminal appears a message say that I have a bug.

If you think you have received this message due to a bug rather than a configuration issue please read the section on submitting bugs on either our web page at www.isc.org or in the README file before submitting a bug. These pages explain the proper process and the information we find helpful for debugging.. exiting.

Contenido del archivo dhcpd.conf/ content of dhcpd.conf:

# dhcpd.conf # # Sample configuration file for ISC dhcpd # # Attention: If /etc/ltsp/dhcpd.conf exists, that will be used as # configuration file instead of this file. #  # option definitions common to all supported networks... option domain-name "example.org"; option domain-name-servers ns1.example.org, ns2.example.org;  default-lease-time 600; max-lease-time 7200;  # The ddns-updates-style parameter controls whether or not the server will # attempt to do a DNS update when a lease is confirmed. We default to the # behavior of the version 2 packages ('none', since DHCP v2 didn't # have support for DDNS.) ddns-update-style none;  # If this DHCP server is the official DHCP server for the local # network, the authoritative directive should be uncommented. authoritative;  # Use this to send dhcp log messages to a different log file (you also # have to hack syslog.conf to complete the redirection). #log-facility local7;  # No service will be given on this subnet, but declaring it helps the  # DHCP server to understand the network topology.  #subnet 10.152.187.0 netmask 255.255.255.0 { #}  # This is a very basic subnet declaration.  #subnet 10.254.239.0 netmask 255.255.255.224 { #  range 10.254.239.10 10.254.239.20; #  option routers rtr-239-0-1.example.org, rtr-239-0-2.example.org; #}  # This declaration allows BOOTP clients to get dynamic addresses, # which we don't really recommend.  #subnet 10.254.239.32 netmask 255.255.255.224 { #  range dynamic-bootp 10.254.239.40 10.254.239.60; #  option broadcast-address 10.254.239.31; #  option routers rtr-239-32-1.example.org; #}  # A slightly different configuration for an internal subnet. subnet 192.168.52.0 netmask 255.255.255.0 {   range 192.168.52.10 192.168.52.20;   option domain-name-servers 194.179.1.100;   option domain-name-servers 194.179.1.101 ;   option subnet-mask 255.255.255.0;   option routers 192.168.50.30;   option broadcast-address 192.168.52.255;   default-lease-time 600;   max-lease-time 3600; }  # Hosts which require special configuration options can be listed in # host statements.   If no address is specified, the address will be # allocated dynamically (if possible), but the host-specific information # will still come from the host declaration.  #host passacaglia { #  hardware ethernet 0:0:c0:5d:bd:95; #  filename "vmunix.passacaglia"; #  server-name "toccata.example.com"; #}  # Fixed IP addresses can also be specified for hosts.   These addresses # should not also be listed as being available for dynamic assignment. # Hosts for which fixed IP addresses have been specified can boot using # BOOTP or DHCP.   Hosts for which no fixed address is specified can only # be booted with DHCP, unless there is an address range on the subnet # to which a BOOTP client is connected which has the dynamic-bootp flag # set. #host fantasia { #  hardware ethernet 08:00:07:26:c0:a5; #  fixed-address fantasia.example.com; #}  # You can declare a class of clients and then do address allocation # based on that.   The example below shows a case where all clients # in a certain class get addresses on the 10.17.224/24 subnet, and all # other clients get addresses on the 10.0.29/24 subnet.  #class "foo" { #  match if substring (option vendor-class-identifier, 0, 4) = "SUNW"; #}  #shared-network 224-29 { #  subnet 10.17.224.0 netmask 255.255.255.0 { #    option routers rtr-224.example.org; #  } #  subnet 10.0.29.0 netmask 255.255.255.0 { #    option routers rtr-29.example.org; #  } #  pool { #    allow members of "foo"; #    range 10.17.224.10 10.17.224.250; #  } #  pool { #    deny members of "foo"; #    range 10.0.29.10 10.0.29.230; #  } #} 

Contenido de netplan / Content of netplan:

# Let NetworkManager manage all devices on this system network:   version: 2   renderer: NetworkManager   ethernets:     enp0s3:       addresses: [192.168.22.114/24]       gateway4: 192.168.22.100       nameservers:         addresses: [192.168.100.100] 

Gracias por la ayuda. Thanks for support

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