[  488.575060] netdevsim netdevsim501 eni501np1: renamed from eth0
[  488.671749] netdevsim netdevsim582 eni582np1: renamed from eth1
[  488.902665] Could not find device with ifindex 2000 in netnsfd 11
[  488.903028] Could not find netns with fd: 2000
[  488.903128] Cannot link a netdevsim to itself
[  488.903266] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).