constraint error:
(
    "<NSLayoutConstraint:0x7ffa6c015610 V:[UIImageView:0x7ffa69d9dc80(120)]>",
    "<NSLayoutConstraint:0x7ffa69dd3650 V:[UIImageView:0x7ffa69d42bd0(126)]>",
    "<NSLayoutConstraint:0x7ffa69d3ca00 V:[UIView:0x7ffa6c0152a0(185)]>",
    "<NSLayoutConstraint:0x7ffa69c685f0 UIView:0x7ffa69c752f0.centerY == UIView:0x7ffa6c0152a0.centerY>",
    "<NSLayoutConstraint:0x7ffa69c7f260 V:|-(0)-[UIImageView:0x7ffa69d9dc80]   (Names: '|':UIView:0x7ffa69c76720 )>",
    "<NSLayoutConstraint:0x7ffa69c7f300 V:[UIImageView:0x7ffa69d9dc80]-(0)-[UIView:0x7ffa69c752f0]>",
    "<NSLayoutConstraint:0x7ffa69c7f440 V:[UIImageView:0x7ffa69d42bd0]-(0)-[_UILayoutGuide:0x7ffa69c7eae0]>",
    "<_UILayoutSupportConstraint:0x7ffa69dd36a0 V:[_UILayoutGuide:0x7ffa69c7eae0(0)]>",
    "<_UILayoutSupportConstraint:0x7ffa6c01ba80 _UILayoutGuide:0x7ffa69c7eae0.bottom == UIView:0x7ffa69c76720.bottom>",
    "<NSLayoutConstraint:0x7ffa6c012ec0 V:[UIView:0x7ffa6c0152a0]-(NSSpace(8))-[UIImageView:0x7ffa69d42bd0]>",
    "<NSLayoutConstraint:0x7ffa69e23ab0 'UIView-Encapsulated-Layout-Height' V:[UIView:0x7ffa69c76720(271)]>"
)

Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x7ffa69d3ca00 V:[UIView:0x7ffa6c0152a0(185)]>




(lldb) po [self.view _autolayoutTrace]

UIWindow:0x7ffa69da7f40
|   UILayoutContainerView:0x7ffa69dd87f0
|   |   UITransitionView:0x7ffa69dda670
|   |   |   UIViewControllerWrapperView:0x7ffa69df02f0
|   |   |   |   UILayoutContainerView:0x7ffa69de3180
|   |   |   |   |   UINavigationTransitionView:0x7ffa69dda850
|   |   |   |   |   |   UIViewControllerWrapperView:0x7ffa69f18b50
|   |   |   |   |   |   |   •UIView:0x7ffa69c76720
|   |   |   |   |   |   |   |   *UIImageView:0x7ffa69d9dc80
|   |   |   |   |   |   |   |   *UIImageView:0x7ffa69d42bd0
|   |   |   |   |   |   |   |   *UIView:0x7ffa69c752f0
|   |   |   |   |   |   |   |   |   *UIView:0x7ffa6c0152a0
|   |   |   |   |   |   |   |   |   |   *UIImageView:0x7ffa6c015370
|   |   |   |   |   |   |   |   |   |   *UILabel:0x7ffa6c018ac0'eat safe.'
|   |   |   |   |   |   |   |   |   |   *UITextField:0x7ffa6c0191a0
|   |   |   |   |   |   |   |   |   |   |   _UITextFieldRoundedRectBackgroundViewNeue:0x7ffa6c01eaa0
|   |   |   |   |   |   |   |   |   |   *UIButton:0x7ffa6c014370'Search'
|   |   |   |   |   |   |   |   |   |   |   UIButtonLabel:0x7ffa69e18b70'Search'
|   |   |   |   |   |   |   |   *_UILayoutGuide:0x7ffa69c1f790
|   |   |   |   |   |   |   |   *_UILayoutGuide:0x7ffa69c7eae0
|   |   UITabBar:0x7ffa69d9b820
|   |   |   _UITabBarBackgroundView:0x7ffa6c00f4f0
|   |   |   UITabBarButton:0x7ffa69ddb130
|   |   |   |   UITabBarSwappableImageView:0x7ffa69ddb890
|   |   |   |   UITabBarButtonLabel:0x7ffa69ddb2f0'Find Restaurants'
|   |   |   UITabBarButton:0x7ffa69ddc420
|   |   |   |   UITabBarSwappableImageView:0x7ffa69ddc9f0
|   |   |   |   UITabBarButtonLabel:0x7ffa69ddc290'Map'
|   |   |   UITabBarButton:0x7ffa69ddd3d0
|   |   |   |   UITabBarSwappableImageView:0x7ffa69dddb50
|   |   |   |   UITabBarButtonLabel:0x7ffa69ddd5b0'Settings'
|   |   |   UIImageView:0x7ffa6c00fc30

(lldb) po [((UIView*)0x7ffa6c0152a0) constraintsAffectingLayoutForAxis:1]
<__NSArrayM 0x7ffa69cb8a40>(
<NSLayoutConstraint:0x7ffa6c015610 V:[UIImageView:0x7ffa69d9dc80(120)]>,
<NSLayoutConstraint:0x7ffa69c685f0 UIView:0x7ffa69c752f0.centerY == UIView:0x7ffa6c0152a0.centerY>,
<NSLayoutConstraint:0x7ffa69c7f260 V:|-(0)-[UIImageView:0x7ffa69d9dc80]   (Names: '|':UIView:0x7ffa69c76720 )>,
<NSLayoutConstraint:0x7ffa69c7f300 V:[UIImageView:0x7ffa69d9dc80]-(0)-[UIView:0x7ffa69c752f0]>,
<NSAutoresizingMaskLayoutConstraint:0x7ffa69e23ee0 h=--& v=--& 'UIView-Encapsulated-Layout-Top' V:|-(0)-[UIView:0x7ffa69c76720]   (Names: '|':UIViewControllerWrapperView:0x7ffa69f18b50 )>,
<NSLayoutConstraint:0x7ffa6c019f00 UIView:0x7ffa69c752f0.bottomMargin == UIView:0x7ffa6c0152a0.bottom>,
<NSLayoutConstraint:0x7ffa69d3ca00 V:[UIView:0x7ffa6c0152a0(185)]>
)