Enable network for multi-container
Enable network for multi-container

PiperOrigin-RevId: 211834411
Change-Id: I52311a6c5407f984e5069359d9444027084e4d2a

google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor,google/gvisor