Rebase glbc on alpine:3.6
Rebase glbc on alpine:3.6

canhnt/ingress,chentao1596/ingress,kubernetes/ingress-nginx,kubernetes/ingress-nginx,aledbf/ingress-nginx,danielqsj/ingress,caiyixiang/ingress,caiyixiang/ingress,kubernetes/ingress-nginx,jcmoraisjr/ingress,danielqsj/ingress,nicksardo/ingress,kubernetes/ingress-nginx,canhnt/ingress,canhnt/ingress,caicloud/ingress,caicloud/ingress,winfield-chen-hs/ingress,winfield-chen-hs/ingress,jcmoraisjr/ingress,chentao1596/ingress,nicksardo/ingress,aledbf/ingress-nginx,jcmoraisjr/ingress,aledbf/ingress-nginx,caicloud/ingress,kubernetes/ingress-gce,canhnt/ingress,nicksardo/ingress,caicloud/ingress,nicksardo/ingress,aledbf/ingress-nginx,kubernetes/ingress-nginx,kubernetes/ingress-gce