Strange things going on... Comparing 2 (softwarewise) identical systems (reportbug displaying same software-version):
System 1 - not triggering kwallet-passphrase-dialog, not connecting, but displaying some plasma-nm messages: Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: Unhandled active connection state change: 1 Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: virtual NMVariantMapMap SecretAgent::GetSecrets(const NMVariantMapMap&, const QDBusObjectPath&, const QString&, const QStringList&, uint) Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: Path: "/org/ freedesktop/NetworkManager/Settings/5" Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: Setting name: "802-11-wireless-security" Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: Hints: () Jun 2 17:47:35 systemtest org.kde.kded5[1273]: plasma-nm: Flags: 5 Jun 2 17:47:35 systemtest org.kde.kded5[1273]: Pass a valid window to KWallet::Wallet::openWallet(). System 2 - triggering kwallet-passphrase-dialog and connecting, no plasma-nm messages. Maybe this will help. Kind regards, user2304