Machine daily 2.11.0 : ciDiagnoseNetwork:
** ciCheckInterface0Up
** ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 02:00:c0:a8:00:67 brd ff:ff:ff:ff:ff:ff
    altname enx0200c0a80067
    inet 192.168.0.153/24 metric 100 brd 192.168.0.255 scope global dynamic enp4s0
       valid_lft 6264sec preferred_lft 6264sec
    inet6 fe80::c0ff:fea8:67/64 scope link proto kernel_ll 
       valid_lft forever preferred_lft forever
** ip route
default via 192.168.0.1 dev enp4s0 proto dhcp src 192.168.0.153 metric 100 
192.168.0.0/24 dev enp4s0 proto kernel scope link src 192.168.0.153 metric 100 
192.168.0.1 dev enp4s0 proto dhcp scope link src 192.168.0.153 metric 100 
192.168.0.5 dev enp4s0 proto dhcp scope link src 192.168.0.153 metric 100 
** GW_ACTUEL : 192.168.0.1
total 4
-rw------- 1 root root 112 Feb  5 16:35 01-netcfg.yaml
--------------------------------------------
cat /etc/netplan/01-netcfg.yaml
network:
  version: 2
  renderer: networkd
  ethernets:
    enp4s0:
      dhcp4: yes
      dhcp-identifier: mac
--------------------------------------------
--------------------------------------------
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source /etc/network/interfaces.d/*
--------------------------------------------
--------------------------------------------
cat /etc/resolv.conf
# This is /run/systemd/resolve/stub-resolv.conf managed by man:systemd-resolved(8).
# Do not edit.
#
# This file might be symlinked as /etc/resolv.conf. If you're looking at
# /etc/resolv.conf and seeing this text, you have followed the symlink.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs should typically not access this file directly, but only
# through the symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a
# different way, replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
options edns0 trust-ad
search .
--------------------------------------------
--------------------------------------------
cat /etc/systemd/resolved.conf
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it under the
#  terms of the GNU Lesser General Public License as published by the Free
#  Software Foundation; either version 2.1 of the License, or (at your option)
#  any later version.
#
# Entries in this file show the compile time defaults. Local configuration
# should be created by either modifying this file (or a copy of it placed in
# /etc/ if the original file is shipped in /usr/), or by creating "drop-ins" in
# the /etc/systemd/resolved.conf.d/ directory. The latter is generally
# recommended. Defaults can be restored by simply deleting the main
# configuration file and all drop-ins located in /etc/.
#
# Use 'systemd-analyze cat-config systemd/resolved.conf' to display the full config.
#
# See resolved.conf(5) for details.

[Resolve]
# Some examples of DNS servers which may be used for DNS= and FallbackDNS=:
# Cloudflare: 1.1.1.1#cloudflare-dns.com 1.0.0.1#cloudflare-dns.com 2606:4700:4700::1111#cloudflare-dns.com 2606:4700:4700::1001#cloudflare-dns.com
# Google:     8.8.8.8#dns.google 8.8.4.4#dns.google 2001:4860:4860::8888#dns.google 2001:4860:4860::8844#dns.google
# Quad9:      9.9.9.9#dns.quad9.net 149.112.112.112#dns.quad9.net 2620:fe::fe#dns.quad9.net 2620:fe::9#dns.quad9.net
#
# Using DNS= configures global DNS servers and does not suppress link-specific
# configuration. Parallel requests will be sent to per-link DNS servers
# configured automatically by systemd-networkd.service(8), NetworkManager(8), or
# similar management services, or configured manually via resolvectl(1). See
# resolved.conf(5) and systemd-resolved(8) for more details.
#DNS=
#FallbackDNS=
#Domains=
#DNSSEC=no
#DNSOverTLS=no
#MulticastDNS=no
#LLMNR=no
#Cache=yes
#CacheFromLocalhost=no
#DNSStubListener=yes
#DNSStubListenerExtra=
#ReadEtcHosts=yes
#ResolveUnicastSingleLabel=no
#StaleRetentionSec=0
#RefuseRecordTypes=
--------------------------------------------
--------------------------------------------
cat /run/systemd/resolve/stub-resolv.conf
# This is /run/systemd/resolve/stub-resolv.conf managed by man:systemd-resolved(8).
# Do not edit.
#
# This file might be symlinked as /etc/resolv.conf. If you're looking at
# /etc/resolv.conf and seeing this text, you have followed the symlink.
#
# This is a dynamic resolv.conf file for connecting local clients to the
# internal DNS stub resolver of systemd-resolved. This file lists all
# configured search domains.
#
# Run "resolvectl status" to see details about the uplink DNS servers
# currently in use.
#
# Third party programs should typically not access this file directly, but only
# through the symlink at /etc/resolv.conf. To manage man:resolv.conf(5) in a
# different way, replace this symlink by a static file or a different symlink.
#
# See man:systemd-resolved.service(8) for details about the supported modes of
# operation for /etc/resolv.conf.

nameserver 127.0.0.53
options edns0 trust-ad
search .
--------------------------------------------
lrwxrwxrwx 1 root            root              37 Feb  5 17:02 /etc/resolv.conf -> /run/systemd/resolve/stub-resolv.conf
-rw-r--r-- 1 root            root            1935 Jan 19 21:30 /etc/systemd/resolved.conf
-rw-r--r-- 1 systemd-resolve systemd-resolve  920 Mar 11 18:05 /run/systemd/resolve/stub-resolv.conf
Machine daily 2.11.0 : systemctl is-active network.target : active
Machine daily 2.11.0 : systemctl is-active network-online.target : active
Machine daily 2.11.0 : systemctl is-system-running : degraded
Machine daily 2.11.0 : ciPingHost enp4s0 => 192.168.0.1 ping=0 ==> OK (exit 0)
