[  455.173695] netdevsim netdevsim488 eni488np1: renamed from eth0
[  455.174219] netdevsim netdevsim604 eni604np1: renamed from eth1
[  455.262720] Could not find device with ifindex 2000 in netnsfd 11
[  455.262901] Could not find netns with fd: 2000
[  455.263004] Cannot link a netdevsim to itself
[  455.263121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).