[  483.714362] netdevsim netdevsim408 eni408np1: renamed from eth0
[  483.811435] netdevsim netdevsim551 eni551np1: renamed from eth1
[  484.000690] Could not find device with ifindex 2000 in netnsfd 11
[  484.000955] Could not find netns with fd: 2000
[  484.001042] Cannot link a netdevsim to itself
[  484.001151] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).