[  482.084056] netdevsim netdevsim408 eni408np1: renamed from eth0
[  482.186091] netdevsim netdevsim752 eni752np1: renamed from eth1
[  482.535806] Could not find device with ifindex 2000 in netnsfd 11
[  482.535971] Could not find netns with fd: 2000
[  482.536056] Cannot link a netdevsim to itself
[  482.536172] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).