[  480.060095] netdevsim netdevsim498 eni498np1: renamed from eth0
[  480.157434] netdevsim netdevsim534 eni534np1: renamed from eth1
[  480.395212] Could not find device with ifindex 2000 in netnsfd 11
[  480.395457] Could not find netns with fd: 2000
[  480.395549] Cannot link a netdevsim to itself
[  480.395661] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).