Imports gvisor.dev/gvisor/pkg/waiter gvisor.dev/gvisor/pkg/sync gvisor.dev/gvisor/pkg/tcpip/buffer gvisor.dev/gvisor/pkg/state gvisor.dev/gvisor/pkg/tcpip gvisor.dev/gvisor/pkg/tcpip/stack gvisor.dev/gvisor/pkg/tcpip/header Standard library imports fmt io