Fix the watcher with down nodes
Fix the watcher with down nodes

The watcher didn't handle the down nodes, fix this by ignoring (in
secondary node reboot checks) any node that doesn't return a boot id.

Reviewed-by: imsnah


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