kazulog@sv1:~$ networkctl status ens3 | head -20
● 3: ens3
                   Link File: /usr/lib/systemd/network/99-default.link
                Network File: /run/systemd/network/zzzz-dracut-default.network
                       State: routable (configured)
                Online state: online
                        Type: ether
                        Path: pci-0000:00:03.0
                      Driver: virtio_net
                      Vendor: Red Hat, Inc.
                       Model: Virtio network device
           Alternative Names: enp0s3
                              enx525400ba7498
            Hardware Address: 52:54:00:ba:74:98
                         MTU: 1500 (min: 68, max: 65535)
                       QDisc: pfifo_fast
IPv6 Address Generation Mode: eui64
    Number of Queues (Tx/Rx): 1/1
            Auto negotiation: no
                     Address: 192.168.100.100 (DHCPv4 via 192.168.100.1)
                              2001:db8:100:0:5054:ff:feba:7498
kazulog@sv1:~$ ls /run/systemd/network/
10-netplan-ens2.network  zzzz-dracut-default.network
kazulog@sv1:~$ ls /etc/systemd/network/ 2>&1
kazulog@sv1:~$ systemctl is-active systemd-networkd NetworkManager 2>&1
active
inactive
kazulog@sv1:~$ ps aux | grep -c '[d]hcpcd\|[d]hclient'
0
kazulog@sv1:~$ systemctl status systemd-networkd --no-pager -l | head -6 | cat
● systemd-networkd.service - Network Management
     Loaded: loaded (/usr/lib/systemd/system/systemd-networkd.service; enabled; preset: enabled)
     Active: active (running) since Fri 2026-09-11 11:59:51 JST; 59min ago
 Invocation: 8ca99a1407d046b6bc97941c592ce278
TriggeredBy: ● systemd-networkd-varlink.socket
             ● systemd-networkd.socket