zic@Sword:~$ kubectl logs nginx-ingress-controller-vg9qc
I0127 20:48:16.030166       1 main.go:94] Using build: https://github.com/bprashanth/contrib.git - git-92b2bac
W0127 20:48:46.694321       1 main.go:118] unexpected error getting runtime information: timed out waiting for the condition
F0127 20:48:46.785327       1 main.go:121] no service with name default/default-http-backend found: the server has asked for the client to provide credentials (get services default-http-backend)
zic@Sword:~$ kubectl logs nginx-ingress-controller-w1dhl
I0127 20:48:07.402723       1 main.go:94] Using build: https://github.com/bprashanth/contrib.git - git-92b2bac
W0127 20:48:37.442404       1 main.go:118] unexpected error getting runtime information: timed out waiting for the condition
F0127 20:48:37.444144       1 main.go:121] no service with name default/default-http-backend found: the server has asked for the client to provide credentials (get services default-http-backend)