nspawn: explicitly remove veth links we created after use

Sometimes the kernel keeps veth links pinned after the namespace they have been
joined to died. Let's hence explicitly remove veth links after use.

Fixes: #2173

1 files changed, 2 insertions, 0 deletions

diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c
index e1d37d383a..d687df8a09 100644
--- a/src/nspawn/nspawn.c
+++ b/src/nspawn/nspawn.c
@@ -3713,6 +3713,7 @@ int main(int argc, char *argv[]) {
                 }
 
                 expose_port_flush(arg_expose_ports, &exposed);
+                (void) remove_veth_links(veth_name, arg_network_veth_extra);
         }
 
 finish:
@@ -3745,6 +3746,7 @@ finish:
         }
 
         expose_port_flush(arg_expose_ports, &exposed);
+        (void) remove_veth_links(veth_name, arg_network_veth_extra);
 
         free(arg_directory);
         free(arg_template);