Dec 10 10:46:34 leowangworkshop kernel: tun: Universal TUN/TAP device driver, 1.6

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.2235] manager: (tap0): new Tun device (/org/freedesktop/NetworkManager/Devices/3)

Dec 10 10:46:34 leowangworkshop systemd-udevd[1089]: Using default interface naming scheme 'rhel-8.0'.

Dec 10 10:46:34 leowangworkshop systemd-udevd[1089]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.

Dec 10 10:46:34 leowangworkshop systemd-udevd[1089]: Could not generate persistent MAC address for tap0: No such file or directory

Dec 10 10:46:34 leowangworkshop kernel: bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.2664] manager: (br0): new Bridge device (/org/freedesktop/NetworkManager/Devices/4)

Dec 10 10:46:34 leowangworkshop kernel: br0: port 1(eth0) entered blocking state

Dec 10 10:46:34 leowangworkshop kernel: br0: port 1(eth0) entered disabled state

Dec 10 10:46:34 leowangworkshop kernel: device eth0 entered promiscuous mode

Dec 10 10:46:34 leowangworkshop systemd-udevd[1096]: Using default interface naming scheme 'rhel-8.0'.

Dec 10 10:46:34 leowangworkshop systemd-udevd[1096]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.

Dec 10 10:46:34 leowangworkshop systemd-udevd[1096]: Could not generate persistent MAC address for br0: No such file or directory

Dec 10 10:46:34 leowangworkshop kernel: br0: port 2(tap0) entered blocking state

Dec 10 10:46:34 leowangworkshop kernel: br0: port 2(tap0) entered disabled state

Dec 10 10:46:34 leowangworkshop kernel: device tap0 entered promiscuous mode

Dec 10 10:46:34 leowangworkshop kernel: IPv6: ADDRCONF(NETDEV_UP): tap0: link is not ready

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.2979] device (tap0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.2984] device (tap0): state change: unavailable -> disconnected (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop kernel: br0: port 1(eth0) entered blocking state

Dec 10 10:46:34 leowangworkshop kernel: br0: port 1(eth0) entered forwarding state

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3013] device (br0): carrier: link connected

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3013] device (br0): state change: unmanaged -> unavailable (reason 'connection-assumed', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3032] device (br0): state change: unavailable -> disconnected (reason 'connection-assumed', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3037] device (br0): Activation: starting connection 'br0' (0edd8549-0db5-47eb-807d-721351246509)

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3038] device (br0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3040] device (br0): state change: prepare -> config (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3048] device (tap0): Activation: starting connection 'tap0' (9bd9b51d-348e-4cc2-9bb2-5b6ba6133266)

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3049] device (br0): state change: config -> ip-config (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3050] device (br0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3056] device (tap0): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3058] device (tap0): state change: prepare -> config (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3059] device (tap0): state change: config -> ip-config (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3060] device (br0): bridge port tap0 was attached

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3060] device (tap0): Activation: connection 'tap0' enslaved, continuing activation

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3061] device (tap0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop dbus-daemon[687]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.8' (uid=0 pid=825 comm="/usr/sbin/NetworkManager --no-daemon ")

Dec 10 10:46:34 leowangworkshop systemd[1]: Starting Network Manager Script Dispatcher Service...

Dec 10 10:46:34 leowangworkshop dbus-daemon[687]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'

Dec 10 10:46:34 leowangworkshop systemd[1]: Started Network Manager Script Dispatcher Service.

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3263] device (br0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3265] device (tap0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3266] device (br0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3270] device (br0): Activation: successful, device activated.

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3275] device (tap0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'external')

Dec 10 10:46:34 leowangworkshop NetworkManager[825]: <info>  [1639104394.3279] device (tap0): Activation: successful, device activated.

Dec 10 10:46:34 leowangworkshop nm-dispatcher[1103]: req:3 'up' [br0]: find-scripts: Cannot execute '/etc/NetworkManager/dispatcher.d/hook-network-manager': writable by group or other, or set-UID.

Dec 10 10:46:34 leowangworkshop nm-dispatcher[1103]: req:4 'up' [tap0]: find-scripts: Cannot execute '/etc/NetworkManager/dispatcher.d/hook-network-manager': writable by group or other, or set-UID.

Dec 10 10:46:44 leowangworkshop systemd[1]: NetworkManager-dispatcher.service: Succeeded.