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hotfix(pmtud/ip): handle network is unreachable silently

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This commit is contained in:
Quentin McGaw
2026-05-07 19:20:38 +00:00
parent a9e8e427a5
commit 3c84a94f11
1 changed files with 2 additions and 3 deletions
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internal/pmtud/ip/source.go
+2 -3
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@@ -4,7 +4,7 @@ import (
"errors" "errors"
"fmt" "fmt"
"net/netip" "net/netip"
"syscall" "strings"
"github.com/jsimonetti/rtnetlink" "github.com/jsimonetti/rtnetlink"
"github.com/qdm12/gluetun/internal/pmtud/constants" "github.com/qdm12/gluetun/internal/pmtud/constants"
@@ -54,8 +54,7 @@ func srcIP(dst netip.Addr) (netip.Addr, error) {
} }
messages, err := conn.Route.Get(requestMessage) messages, err := conn.Route.Get(requestMessage)
if err != nil { if err != nil {
var sysErr syscall.Errno if strings.Contains(err.Error(), "network is unreachable") {
if errors.As(err, &sysErr) && sysErr == syscall.ENETUNREACH {
err = ErrNetworkUnreachable err = ErrNetworkUnreachable
} }
return netip.Addr{}, fmt.Errorf("getting routes to %s: %w", dst, err) return netip.Addr{}, fmt.Errorf("getting routes to %s: %w", dst, err)