Upgrade but already running?

[Michael Hipp]

Are my eyes deceiving me or does this say it's going to upgrade my kernel to 
the one I'm already running (2.6.15-28-server)?

# apt-get -s upgrade | grep linux
   libx11-6 linux-headers-2.6.15-28 linux-headers-2.6.15-28-server
   linux-image-2.6.15-28-server locales lvm2
Inst linux-headers-2.6.15-28 [2.6.15-28.51] (2.6.15-28.55 
Ubuntu:6.06/dapper-security)
Inst linux-headers-2.6.15-28-server [2.6.15-28.51] (2.6.15-28.55 
Ubuntu:6.06/dapper-security)
Inst linux-image-2.6.15-28-server [2.6.15-28.51] (2.6.15-28.55 
Ubuntu:6.06/dapper-security)
Conf linux-headers-2.6.15-28 (2.6.15-28.55 Ubuntu:6.06/dapper-security)
Conf linux-headers-2.6.15-28-server (2.6.15-28.55 Ubuntu:6.06/dapper-security)
Conf linux-image-2.6.15-28-server (2.6.15-28.55 Ubuntu:6.06/dapper-security)
# uname -r
2.6.15-28-server

Thanks,
Michael