3 files changed, 27 insertions, 14 deletions
diff --git a/pkg/domain/entities/network.go b/pkg/domain/entities/network.go
index f66a7f575..a89501664 100644
--- a/pkg/domain/entities/network.go
+++ b/pkg/domain/entities/network.go
@@ -92,4 +92,6 @@ type NetworkPruneReport struct {
 
 // NetworkPruneOptions describes options for pruning
 // unused cni networks
-type NetworkPruneOptions struct{}
+type NetworkPruneOptions struct {
+	Filters map[string][]string
+}
diff --git a/pkg/domain/filters/containers.go b/pkg/domain/filters/containers.go
index 98b8f7e88..02727e841 100644
--- a/pkg/domain/filters/containers.go
+++ b/pkg/domain/filters/containers.go
@@ -8,7 +8,6 @@ import (
 	"github.com/containers/podman/v3/libpod"
 	"github.com/containers/podman/v3/libpod/define"
 	"github.com/containers/podman/v3/pkg/network"
-	"github.com/containers/podman/v3/pkg/timetype"
 	"github.com/containers/podman/v3/pkg/util"
 	"github.com/pkg/errors"
 )
@@ -186,18 +185,10 @@ func GenerateContainerFilterFuncs(filter string, filterValues []string, r *libpo
 			return false
 		}, nil
 	case "until":
-		if len(filterValues) != 1 {
-			return nil, errors.Errorf("specify exactly one timestamp for %s", filter)
-		}
-		ts, err := timetype.GetTimestamp(filterValues[0], time.Now())
-		if err != nil {
-			return nil, err
-		}
-		seconds, nanoseconds, err := timetype.ParseTimestamps(ts, 0)
+		until, err := util.ComputeUntilTimestamp(filter, filterValues)
 		if err != nil {
 			return nil, err
 		}
-		until := time.Unix(seconds, nanoseconds)
 		return func(c *libpod.Container) bool {
 			if !until.IsZero() && c.CreatedTime().After((until)) {
 				return true
diff --git a/pkg/domain/infra/abi/network.go b/pkg/domain/infra/abi/network.go
index edde8ece6..1a833332c 100644
--- a/pkg/domain/infra/abi/network.go
+++ b/pkg/domain/infra/abi/network.go
@@ -174,17 +174,37 @@ func (ic *ContainerEngine) NetworkPrune(ctx context.Context, options entities.Ne
 	if err != nil {
 		return nil, err
 	}
+	networks, err := network.LoadCNIConfsFromDir(network.GetCNIConfDir(runtimeConfig))
+	if err != nil {
+		return nil, err
+	}
+
 	// Gather up all the non-default networks that the
 	// containers want
-	usedNetworks := make(map[string]bool)
+	networksToKeep := make(map[string]bool)
 	for _, c := range cons {
 		nets, _, err := c.Networks()
 		if err != nil {
 			return nil, err
 		}
 		for _, n := range nets {
-			usedNetworks[n] = true
+			networksToKeep[n] = true
+		}
+	}
+	if len(options.Filters) != 0 {
+		for _, n := range networks {
+			// This network will be kept anyway
+			if _, found := networksToKeep[n.Name]; found {
+				continue
+			}
+			ok, err := network.IfPassesPruneFilter(runtimeConfig, n, options.Filters)
+			if err != nil {
+				return nil, err
+			}
+			if !ok {
+				networksToKeep[n.Name] = true
+			}
 		}
 	}
-	return network.PruneNetworks(runtimeConfig, usedNetworks)
+	return network.PruneNetworks(runtimeConfig, networksToKeep)
 }