Not possible to get IP address from the QNetworkConfiguration

With the attached code it is found that it is not possible to retrieve the IP address from the QNetworkConfiguration if the
QNetworkConfiguration has the bearerType QNetworkConfiguration::BearerWLAN.
In the following examples, the wireless connection is connected to WLAN Access Point Kevin QT:

isValid=1, state=0x1, id=193882304, name=CBCI-23A3-5, type=0, bearerType=2
isValid=1, state=0xe, id=3637833041, name=Kevin QT_5G, type=0, bearerType=2
isValid=1, state=0x1, id=682463497, name=App Team, type=0, bearerType=2
isValid=1, state=0x1, id=3006099712, name=XFINITY, type=0, bearerType=2
isValid=1, state=0x1, id=605699457, name=NHKGuest, type=0, bearerType=2
isValid=1, state=0x1, id=4270389382, name=Kevin QT, type=0, bearerType=2
isValid=1, state=0x1, id=3176543632, name=NHKUSA, type=0, bearerType=2
isValid=1, state=0x1, id=2316008933, name=Branding Team, type=0, bearerType=2
isValid=1, state=0x1, id=899779904, name=SETUP, type=0, bearerType=2
isValid=1, state=0x1, id=3721895902, name=BOE America_5GEXT, type=0, bearerType=2
isValid=1, state=0x1, id=921984049, name=DIRECT-flC48x Series, type=0, bearerType=2
isValid=1, state=0x6, id=4258503618, name=Kevin QT_5G-2, type=0, bearerType=2
isValid=1, state=0x1, id=474937973, name=CBCI-23A3-2.4, type=0, bearerType=2
isValid=1, state=0x1, id=1142465143, name=transcend-SV, type=0, bearerType=2
isValid=1, state=0x1, id=3146045441, name=InFor500Guest, type=0, bearerType=2
isValid=1, state=0x1, id=3688650650, name=HP-Print-72-Officejet Pro 8620, type=0, bearerType=2
isValid=1, state=0x1, id=2036714466, name=xfinitywifi, type=0, bearerType=2
isValid=1, state=0x1, id=2339951574, name=vc-guest, type=0, bearerType=2
isValid=1, state=0x1, id=812342982, name=, type=0, bearerType=2
isValid=1, state=0x2, id=358792940, name=isatap.

Unknown macro: {A953B1D0-1A76-4F6A-829A-A0E941C70148}

, type=0, bearerType=0
isValid=1, state=0x2, id=3995982860, name=Local Area Connection, type=0, bearerType=1
isValid=1, state=0x2, id=2279771454, name=Bluetooth Network Connection, type=0, bearerType=1
isValid=1, state=0x2, id=1705858836, name=isatap.intra.qt.io, type=0, bearerType=0
isValid=1, state=0x2, id=772924959, name=isatap.

Unknown macro: {A9F78903-C90F-42E7-A136-6DA529CA9421}

, type=0, bearerType=0
isValid=1, state=0x2, id=4254024827, name=Teredo Tunneling Pseudo-Interface, type=0, bearerType=0
isValid=1, state=0xe, id=3379096802, name=Local Area Connection 2, type=0, bearerType=1
ip=fe80::8da9:d022:6255:41ac%ethernet_11
ip=fe80::d74f:2f99:aa8a:4046%ethernet_11
ip=10.10.220.221
isValid=1, state=0x2, id=841453058, name=isatap.

Unknown macro: {5FE75CAA-FA1D-4AAA-885B-1E386AE9C10B}

, type=0, bearerType=0