networkctl: Add support to display qdisc

./networkctl status ens38                                                                                                                                                                ─╯
● 4: ens38
             Link File: /usr/lib/systemd/network/99-default.link
          Network File: /usr/lib/systemd/network/10-ens38.network
                  Type: ether
                 State: routable (configured)
     Alternative Names: enp2s6
                  Path: pci-0000:02:06.0
                Driver: e1000
                Vendor: Intel Corporation
                 Model: 82545EM Gigabit Ethernet Controller (Copper) (PRO/1000 MT Single Port Adapter)
            HW Address: 00:0c:29:d2:42:7c (VMware, Inc.)
                   MTU: 1500 (min: 46, max: 16110)
                 QDisc: fq_codel        <============================
  Queue Length (Tx/Rx): 1/1
      Auto negotiation: yes
                 Speed: 1Gbps
                Duplex: full
                  Port: tp
               Address: 192.168.5.123
                        fe80::20c:29ff:fed2:427c