teamdctl generates coredump if you request info about sub-interface.

[sharewax]

 coredump]# teamdctl -v bond0.2004 state
process 38917: arguments to dbus_message_new_method_call() were incorrect, assertion "destination == NULL || _dbus_check_is_valid_bus_name (destination)" failed in file ../../dbus/dbus-message.c line 1370.
This is normally a bug in some application using the D-Bus library.
  D-Bus not built with -rdynamic so unable to print a backtrace
Aborted (core dumped)

6: bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether d0:94:66:32:f0:73 brd ff:ff:ff:ff:ff:ff
    inet x.y.z.t/24 brd x.y.z.255 scope global bond0
       valid_lft forever preferred_lft forever
    inet6 fe80::d294:66ff:fe32:f073/64 scope link
       valid_lft forever preferred_lft forever
7: bond0.2004@bond0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether d0:94:66:32:f0:73 brd ff:ff:ff:ff:ff:ff
    inet y.z.r.t/24 brd y.z.r.255 scope global bond0.2004
       valid_lft forever preferred_lft forever
    inet6 fe80::d294:66ff:fe32:f073/64 scope link
       valid_lft forever preferred_lft forever
[root@ed-sl-b154 coredump]# teamdctl bond0 state
setup:
  runner: lacp
ports:
  eno1
    link watches:
      link summary: up
      instance[link_watch_0]:
        name: ethtool
        link: up
        down count: 0
    runner:
      aggregator ID: 3, Selected
      selected: yes
      state: current
  eno2
    link watches:
      link summary: up
      instance[link_watch_0]:
        name: ethtool
        link: up
        down count: 0
    runner:
      aggregator ID: 3, Selected
      selected: yes
      state: current
runner:
  active: yes
  fast rate: no