root 00:00 : ~ # networkctl 
IDX LINK TYPE     OPERATIONAL SETUP     
  1 lo   loopback carrier     unmanaged 
  2 can0 can      carrier     configured
  3 can1 can      carrier     configured
  4 eth0 ether    routable    configured
  5 sit0 sit      off         unmanaged 

5 links listed.
root 00:00 : ~ # networkctl status
*   State: routable                                       
  Address: 172.21.0.31 on eth0                            
           2a02:908:1965:8960:5c02:6fff:fee8:e55a on eth0 
           fd5c:3d74:f4d7:beef:5c02:6fff:fee8:e55a on eth0
           fe80::5c02:6fff:fee8:e55a on eth0              
  Gateway: 172.21.0.1 on eth0                             
           fe80::2e91:abff:fe8b:3876 on eth0              

Sep 01 00:00:13 ecu02 systemd-networkd[130]: Enumeration completed
Sep 01 00:00:13 ecu02 systemd[1]: Started systemd-networkd.service.
Sep 01 00:00:15 ecu02 systemd-networkd[130]: can1: Link UP
Sep 01 00:00:16 ecu02 systemd-networkd[130]: can1: Gained carrier
Sep 01 00:00:16 ecu02 systemd-networkd[130]: can0: Link UP
Sep 01 00:00:16 ecu02 systemd-networkd[130]: eth0: IPv6 successfully enabled
Sep 01 00:00:16 ecu02 systemd-networkd[130]: eth0: Link UP
Sep 01 00:00:17 ecu02 systemd-networkd[130]: can0: Gained carrier
Sep 01 00:00:17 ecu02 systemd-networkd[130]: eth0: Gained carrier
Sep 01 00:00:18 ecu02 systemd-networkd[130]: eth0: Gained IPv6LL
root 00:00 : ~ # 


root 00:01 : ~ # ip a
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 
       valid_lft forever preferred_lft forever
2: can0: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UP group default qlen 10
    link/can 
3: can1: <NOARP,UP,LOWER_UP,ECHO> mtu 16 qdisc pfifo_fast state UP group default qlen 10
    link/can 
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 5e:02:6f:e8:e5:5a brd ff:ff:ff:ff:ff:ff
    inet 172.21.0.31/24 brd 172.21.0.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fd5c:3d74:f4d7:beef:5c02:6fff:fee8:e55a/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 7124sec preferred_lft 3524sec
    inet6 2a02:908:1965:8960:5c02:6fff:fee8:e55a/64 scope global dynamic mngtmpaddr noprefixroute 
       valid_lft 7124sec preferred_lft 3524sec
    inet6 fe80::5c02:6fff:fee8:e55a/64 scope link 
       valid_lft forever preferred_lft forever
5: sit0@NONE: <NOARP> mtu 1480 qdisc noop state DOWN group default qlen 1000
    link/sit 0.0.0.0 brd 0.0.0.0
root 00:01 : ~ #