Issue

If you prompt the command "teamdctl -v state" you will get state information related to your team-interface, from the running teamd istance (the "-v" option is used to add more verbosity).
i.e.

# teamdctl -v media state
setup:
  runner: lacp
  kernel team mode: loadbalance
  D-BUS enabled: yes
  ZeroMQ enabled: no
  debug level: 0
  daemonized: no
  PID: 5018
  PID file: /var/run/teamd/media.pid
ports:
  en5
    ifindex: 4
    addr: 00:0f:53:0e:65:54
    ethtool link: 10000mbit/fullduplex/up
    link watches:
      link summary: up
      instance[link_watch_0]:
        name: ethtool
        link: up
        down count: 0
        link up delay: 0
        link down delay: 0
    runner:
      aggregator ID: 4, Selected
      selected: yes
      state: current
      key: 0
      priority: 255
      actor LACPDU info:
        system priority: 65535
        system: 00:0f:53:0e:65:54
        key: 0
        port_priority: 255
        port: 4
        state: 0x3d <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
      partner LACPDU info:
        system priority: 32768
        system: c4:7d:4f:b0:77:c0
        key: 8
        port_priority: 32768
        port: 51
        state: 0x3c <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
  en6
    ifindex: 5
    addr: 00:0f:53:0e:65:54
    ethtool link: 0mbit/halfduplex/down
    link watches:
      link summary: down
      instance[link_watch_0]:
        name: ethtool
        link: down
        down count: 0
        link up delay: 0
        link down delay: 0
    runner:
      aggregator ID: 0
      selected: no
      state: disabled
      key: 0
      priority: 255
      actor LACPDU info:
        system priority: 65535
        system: 00:0f:53:0e:65:54
        key: 0
        port_priority: 255
        port: 5
        state: 0x0
      partner LACPDU info:
        system priority: 0
        system: 00:00:00:00:00:00
        key: 0
        port_priority: 0
        port: 0
        state: 0x0
runner:
  active: yes
  fast rate: no
  system priority: 65535

Please notice, "media" is the name of the teaming interface in the showed configuration.