debian@beaglebone:/var/lib/cloud9$ sudo connmanctl
connmanctl> services
*A  eduroam              wifi_50f14af8dfba_656475726f616d_managed_ieee8021x
    DESKTOP-N1BE4VU 0768 wifi_50f14af8dfba_4445534b544f502d4e3142453456552030373638_managed_psk
    TUKS                 wifi_50f14af8dfba_54554b53_managed_ieee8021x
    TUKS-MPSK            wifi_50f14af8dfba_54554b532d4d50534b_managed_psk
    TUKS-Trusted         wifi_50f14af8dfba_54554b532d54727573746564_managed_psk
connmanctl> connect wifi_50f14af8dfba_656475726f616d_managed_ieee8021x
Error /net/connman/service/wifi_50f14af8dfba_656475726f616d_managed_ieee8021x: Input/output error