Gazebo does not see the network

clover@clover-dev:~$ ping 8.8.8.8
ping: connect: Network is unreachable
clover@clover-dev:~$

[Wrn] [GuiIface.cc:200] g/gui-plugin is really loading a SystemPlugin. To load a GUI plugin please use --gui-client-plugin
Gazebo multi-robot simulator, version 11.12.0

Warning [parser.cc:833] XML Attribute[version] in element[sdf] not defined in SDF, ignoring.
[Wrn] [ModelDatabase.cc:212] Unable to connect to model database using [http://models.gazebosim.org//database.config]. Only locally installed models will be available.

[Wrn] [gazebo_gps_plugin.cpp:77] [gazebo_gps_plugin]: clover::gps0 using gps topic “gps0”
[Wrn] [gazebo_gps_plugin.cpp:202] [gazebo_gps_plugin] Using default update rate of 5hz
[spawn_clover_dev_1120_7327814227427997812-4] process has finished cleanly

[Wrn] [gazebo_mavlink_interface.cpp:152] No identifier on joint. Using 0 as default sensor ID

ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
[Err] [Visual.cc:410] Service call [/shininess] timed out
[Err] [Visual.cc:383] Service name [/shininess] not advertised, not attempting to load shininess for visual with name [clover::led_link::led_link_visual_7].
[Err] [Visual.cc:383] Service name [/shininess] not advertised, not attempting to load shininess for visual with name [clover::led_link::led_link_visual_8].
[Err] [Visual.cc:383] Service name [/shininess] not advertised, not attempting to load shininess for visual with name [clover::led_link::led_link_visual_9].

ERROR [simulator] poll timeout 0, 22
[Wrn] [ColladaLoader.cc:1928] Triangle input semantic: ‘COLOR’ is currently not supported
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
[Wrn] [ColladaLoader.cc:1928] Triangle input semantic: ‘COLOR’ is currently not supported
ERROR [simulator] poll timeout 0, 22
[Wrn] [ColladaLoader.cc:1928] Triangle input semantic: ‘COLOR’ is currently not supported
[Wrn] [ColladaLoader.cc:1928] Triangle input semantic: ‘COLOR’ is currently not supported
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22

ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
ERROR [simulator] poll timeout 0, 22
Illegal instruction (core dumped)
[gazebo-1] process has died [pid 1141, exit code 132, cmd /opt/ros/noetic/lib/gazebo_ros/gzserver --verbose -e ode /home/clover/catkin_ws/src/clover/clover_simulation/resources/worlds/clover_aruco.world __name:=gazebo __log:=/home/clover/.ros/log/f6bf6fb8-9f81-11ef-bd84-edc30282bbeb/gazebo-1.log].
log file: /home/clover/.ros/log/f6bf6fb8-9f81-11ef-bd84-edc30282bbeb/gazebo-1*.log