[signal SIGSEGV: segmentation violation code=0x1 addr=0x250 pc=0x1768d37]
goroutine 21 [running]:
github.com/cilium/cilium/pkg/ipam.(*Node).recalculateLocked(0xc000036780)
	/home/travis/gopath/src/github.com/cilium/cilium/pkg/ipam/node.go:264 +0xc7
github.com/cilium/cilium/pkg/ipam.(*NodeManager).resyncNode(0xc00015c850, 0x1eb1120, 0xc0000561e0, 0xc000036780, 0xc00047a7c0, 0xbf93aabab7244bc5, 0x1cde30d, 0x2d7f160)
	/home/travis/gopath/src/github.com/cilium/cilium/pkg/ipam/node_manager.go:356 +0xa7
github.com/cilium/cilium/pkg/ipam.(*NodeManager).Resync.func1(0xc00015c850, 0x1eb1120, 0xc0000561e0, 0xbf93aabab7244bc5, 0x1cde30d, 0x2d7f160, 0xc0002900f0, 0xc000036780, 0xc00047a7c0)
	/home/travis/gopath/src/github.com/cilium/cilium/pkg/ipam/node_manager.go:402 +0x81
created by github.com/cilium/cilium/pkg/ipam.(*NodeManager).Resync
	/home/travis/gopath/src/github.com/cilium/cilium/pkg/ipam/node_manager.go:401 +0x1cc
FAIL	github.com/cilium/cilium/pkg/azure/ipam	0.044s