IceBridge client hanging

[bernardnormier]

We got this error for the CI build on main, release on windows-2022:
https://github.com/zeroc-ice/ice/actions/runs/8906656858/job/24459163183

process D:\a\ice\ice\cpp\test\IceBridge\simple\msbuild\client\x64\Release\client.exe --Ice.Default.Host=127.0.0.1 --Test.BasePort=14000 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ssl --Ice.IPv6=0 --Ice.Admin.Endpoints="tcp -h 127.0.0.1" --Ice.Admin.InstanceName=Client --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.Plugin.IceSSL= --IceSSL.*** --IceSSL.DefaultDir=D:\a\ice\ice\certs --IceSSL.CAs=cacert.pem --IceSSL.CertFile=client.p12 --Ice.PrintStackTraces=1 pid=8604 is hanging - 05/01/24 08:23:56
process D:\a\ice\ice\cpp\test\IceBridge\simple\msbuild\client\x64\Release\client.exe --Ice.Default.Host=127.0.0.1 --Test.BasePort=14000 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ssl --Ice.IPv6=0 --Ice.Admin.Endpoints="tcp -h 127.0.0.1" --Ice.Admin.InstanceName=Client --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.Plugin.IceSSL= --IceSSL.*** --IceSSL.DefaultDir=D:\a\ice\ice\certs --IceSSL.CAs=cacert.pem --IceSSL.CertFile=client.p12 --Ice.PrintStackTraces=1 pid=8604 is hanging - 05/01/24 08:24:26
process D:\a\ice\ice\cpp\test\IceBridge\simple\msbuild\client\x64\Release\client.exe --Ice.Default.Host=127.0.0.1 --Test.BasePort=14000 --Ice.Warn.Connections=1 --Ice.Default.Protocol=ssl --Ice.IPv6=0 --Ice.Admin.Endpoints="tcp -h 127.0.0.1" --Ice.Admin.InstanceName=Client --IceMX.Metrics.Debug.GroupBy=id --IceMX.Metrics.Parent.GroupBy=parent --IceMX.Metrics.All.GroupBy=none --Ice.Plugin.IceSSL= --IceSSL.*** --IceSSL.DefaultDir=D:\a\ice\ice\certs --IceSSL.CAs=cacert.pem --IceSSL.CertFile=client.p12 --Ice.PrintStackTraces=1 pid=8604 is hanging - 05/01/24 08:24:56