Fix output of gnt-instance info after migration
Fix output of gnt-instance info after migration

After migrating a DRBD based instance, the output of gnt-instance info
was wrong wrt. DRBD minors. This patch fixes the output in such cases.

Signed-off-by: Thomas Thrainer <98bdeac947eb8ca18146e9ce7f092788ec242cd1@google.com>
Reviewed-by: Hrvoje Ribicic <be5828fca31f89218048bec4189e30a581aa65da@google.com>

apyrgio/ganeti,mbakke/ganeti,onponomarev/ganeti,apyrgio/snf-ganeti,ganeti/ganeti,ganeti/ganeti,mbakke/ganeti,dimara/ganeti,grnet/snf-ganeti,leshchevds/ganeti,apyrgio/ganeti,bitemyapp/ganeti,yiannist/ganeti,yiannist/ganeti,grnet/snf-ganeti,bitemyapp/ganeti,andir/ganeti,leshchevds/ganeti,dimara/ganeti,andir/ganeti,ganeti/ganeti,ganeti-github-testing/ganeti-test-1,andir/ganeti,mbakke/ganeti,leshchevds/ganeti,apyrgio/snf-ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,onponomarev/ganeti