[  474.858889] netdevsim netdevsim272 eni272np1: renamed from eth0
[  474.859576] netdevsim netdevsim756 eni756np1: renamed from eth1
[  474.941572] Could not find device with ifindex 2000 in netnsfd 11
[  474.941665] Could not find netns with fd: 2000
[  474.941716] Cannot link a netdevsim to itself
[  474.941775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).