net: fix nits found by vet
net: fix nits found by vet

Change-Id: I323231f31c4e1e7415661ebd943a90b2f1e9da1c
Reviewed-on: https://go-review.googlesource.com/23020
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>

4ad/go,ImJasonH/go,codestation/go,polyverse-security/go,polyverse-security/go,CAFxX/go,CAFxX/go,cloudflare/go,4ad/go,vsekhar/elastic-go,akutz/go,vsekhar/elastic-go,nawawi/go,ganboing/go-esx,goodlang/good,polyverse-security/go,suncycheng/go,nawawi/go,momchil-velikov/go,derekmarcotte/go,golang/go,ganboing/go-esx,ganboing/go-esx,golang/go,momchil-velikov/go,josharian/go,4ad/go,golang/go,cloudflare/go,suncycheng/go,theif519/go,josharian/go,CAFxX/go,Cofyc/go,derekmarcotte/go,golang/go,nawawi/go,goodlang/good,linux-on-ibm-z/go,vsekhar/elastic-go,Cofyc/go,ganboing/go-esx,akutz/go,linux-on-ibm-z/go,Cofyc/go,theif519/go,Cofyc/go,momchil-velikov/go,polyverse-security/go,theif519/go,momchil-velikov/go,akutz/go,4ad/go,polyverse-security/go,polyverse-security/go,ImJasonH/go,codestation/go,linux-on-ibm-z/go,codestation/go,momchil-velikov/go,suncycheng/go,cloudflare/go,linux-on-ibm-z/go,nawawi/go,codestation/go,derekmarcotte/go,cloudflare/go,derekmarcotte/go,christopher-henderson/Go,ImJasonH/go,theif519/go,goodlang/good,derekmarcotte/go,4ad/go,codestation/go,4ad/go,CAFxX/go,akutz/go,vsekhar/elastic-go,momchil-velikov/go,suncycheng/go,cloudflare/go,CAFxX/go,ganboing/go-esx,Cofyc/go,codestation/go,Cofyc/go,golang/go,polyverse-security/go,goodlang/good,akutz/go,josharian/go,akutz/go,codestation/go,josharian/go,derekmarcotte/go,golang/go,nawawi/go,ImJasonH/go,suncycheng/go,cloudflare/go,nawawi/go,vsekhar/elastic-go,codestation/go,derekmarcotte/go,momchil-velikov/go,vsekhar/elastic-go,goodlang/good,momchil-velikov/go,ganboing/go-esx,theif519/go,josharian/go,Cofyc/go,CAFxX/go,linux-on-ibm-z/go,golang/go,theif519/go,theif519/go,derekmarcotte/go,golang/go,4ad/go,nawawi/go,linux-on-ibm-z/go,goodlang/good,polyverse-security/go,ImJasonH/go,vsekhar/elastic-go,suncycheng/go,vsekhar/elastic-go,CAFxX/go,cloudflare/go,josharian/go,josharian/go,ImJasonH/go,Cofyc/go,linux-on-ibm-z/go,goodlang/good,josharian/go,theif519/go,akutz/go,ImJasonH/go,goodlang/good,cloudflare/go,linux-on-ibm-z/go,suncycheng/go,ImJasonH/go,suncycheng/go,nawawi/go,akutz/go,ganboing/go-esx,4ad/go,CAFxX/go,ganboing/go-esx