all: library changes for swarm-network-rewrite (#16898)

This commit adds all changes needed for the merge of swarm-network-rewrite.
The changes:

- build: increase linter timeout
- contracts/ens: export ensNode
- log: add Output method and enable fractional seconds in format
- metrics: relax test timeout
- p2p: reduced some log levels, updates to simulation packages
- rpc: increased maxClientSubscriptionBuffer to 20000

p2p/simulations/adapters/docker.go

@@ -28,11 +28,14 @@ import (
 	"strings"
 
 	"github.com/docker/docker/pkg/reexec"
-	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/p2p/discover"
 )
 
+var (
+	ErrLinuxOnly = errors.New("DockerAdapter can only be used on Linux as it uses the current binary (which must be a Linux binary)")
+)
+
 // DockerAdapter is a NodeAdapter which runs simulation nodes inside Docker
 // containers.
 //
@@ -52,7 +55,7 @@ func NewDockerAdapter() (*DockerAdapter, error) {
 	// It is reasonable to require this because the caller can just
 	// compile the current binary in a Docker container.
 	if runtime.GOOS != "linux" {
-		return nil, errors.New("DockerAdapter can only be used on Linux as it uses the current binary (which must be a Linux binary)")
+		return nil, ErrLinuxOnly
 	}
 
 	if err := buildDockerImage(); err != nil {
@@ -95,7 +98,10 @@ func (d *DockerAdapter) NewNode(config *NodeConfig) (Node, error) {
 	conf.Stack.P2P.NoDiscovery = true
 	conf.Stack.P2P.NAT = nil
 	conf.Stack.NoUSB = true
-	conf.Stack.Logger = log.New("node.id", config.ID.String())
+
+	// listen on all interfaces on a given port, which we set when we
+	// initialise NodeConfig (usually a random port)
+	conf.Stack.P2P.ListenAddr = fmt.Sprintf(":%d", config.Port)
 
 	node := &DockerNode{
 		ExecNode: ExecNode{