e2e/network: stream pod logs for debugging

[aroradaman]

Intermittent logging to understand the root cause of #123760

  I0501 00:55:58.906442 48549 networking.go:353] ================ start of pod log for netserver-0 ================
  I0501 00:55:58.906541 48549 networking.go:354] 
  		I0430 19:25:28.023397       1 log.go:245] Started HTTP server on port 8083
  		I0430 19:25:28.023548       1 log.go:245] Started UDP server on port  8081
  		I0430 19:25:47.883592       1 log.go:245] GET /healthz
  		I0430 19:25:47.883689       1 log.go:245] GET /healthz
  		I0430 19:25:57.883767       1 log.go:245] GET /healthz
  		I0430 19:25:57.883992       1 log.go:245] GET /healthz
  		I0430 19:25:57.967560       1 log.go:245] GET /hostname
  		I0430 19:25:57.967598       1 log.go:245] hostname: netserver-0
  I0501 00:55:58.906697 48549 networking.go:355] ================ end of pod log for netserver-0 ================

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

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Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

/kind flake
/sig network
/release-note-none
/assign @aojea

[aroradaman]

/release-note-none
/triage accepted

[k8s-ci-robot]

@aroradaman: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-kubernetes-e2e-gce-network-policies	d70f96f	link	false	/test pull-kubernetes-e2e-gce-network-policies

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[aojea]

/lgtm
/approve

the network policy job has the known flake kubernetes-sigs/kube-network-policies#12

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 55c9d7f104ae8f19cade500865e4880a30bdfd72

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aojea, aroradaman

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