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