Build cancel request

Started GET "/hosts/shiny00.my.org/cancelBuild" for 192.168.192.69 at Fri Aug 29 08:00:19 -0400 2014
Processing by HostsController#cancelBuild as HTML
  Parameters: {"id"=>"shiny00.my.org"}
DHCP records -00:15:5d:c7:04:10/192.168.200.250 already exists
Failed to save: Conflict DHCP records -00:15:5d:c7:04:10/192.168.200.250 already exists
Redirected to https://foreman.sesync.org/hosts/shiny00.my.org
Completed 302 Found in 581.2ms (ActiveRecord: 15.1ms)
Started GET "/hosts/shiny00.my.org" for 192.168.192.69 at Fri Aug 29 08:00:20 -0400 2014
Processing by HostsController#show as HTML
  Parameters: {"id"=>"shiny00.my.org"}
  Rendered hosts/_overview.html.erb (19.3ms)
  Rendered hosts/_metrics.html.erb (0.4ms)
  Rendered hosts/show.html.erb within layouts/application (512.5ms)
  Rendered home/_user_dropdown.html.erb (173.0ms)
Read fragment views/tabs_and_title_records-2 0.1ms
  Rendered home/_org_switcher.html.erb (0.1ms)
  Rendered home/_submenu.html.erb (3.3ms)
  Rendered home/_submenu.html.erb (4.2ms)
  Rendered home/_submenu.html.erb (3.2ms)
  Rendered home/_submenu.html.erb (2.9ms)
  Rendered home/_submenu.html.erb (3.4ms)
Write fragment views/tabs_and_title_records-2 1.3ms
  Rendered home/_topbar.html.erb (350.7ms)
  Rendered layouts/base.html.erb (355.7ms)
Completed 200 OK in 881.8ms (Views: 835.6ms | ActiveRecord: 35.7ms)