edgeDNS external-dns pods are failing to start since v0.7.5

[ytsarev]

 k -n k8gb describe rs external-dns-route53-67fbff9bd7|tail -5
  ReplicaFailure   True    FailedCreate
Events:
  Type     Reason        Age                    From                   Message
  ----     ------        ----                   ----                   -------
  Warning  FailedCreate  2m3s (x17 over 7m31s)  replicaset-controller  Error creating: pods "external-dns-route53-67fbff9bd7-" is forbidden: error looking up service account k8gb/external-dns: serviceaccount "external-dns" not found