"info chardev" not showing the real port in use

With Qemu 2.1.2
==============
pharidos@uks2:~/work/tplaf/☸ qemu-system-x86_64 -hda /space/pharidos/Disks/Blank_disk.qcow2 -serial telnet::0,server,nowait -nographic
QEMU 2.1.2 monitor - type 'help' for more information
(qemu) info chardev
parallel0: filename=null
serial0: filename=telnet:0.0.0.0:44189,server   <====<<< serial console is using port 44189
compat_monitor0: filename=stdio
(qemu) 


With Qemu 2.5.0
==============
pharidos@kvm:~/$ qemu-system-x86_64 -hda /space/pharidos/Disks/Blank_disk.qcow2 -serial telnet::0,server,nowait -nographic
QEMU 2.5.0 monitor - type 'help' for more information
(qemu) info chardev
parallel0: filename=null
serial0: filename=disconnected:telnet::0,server <====<<< serial console port not shown
compat_monitor0: filename=stdio
(qemu)