[  726.142839][T13064] netdevsim netdevsim441 eni441np1: renamed from eth0
[  726.175148][T13066] netdevsim netdevsim609 eni609np1: renamed from eth1
[  726.790242][T13052] Could not find device with ifindex 2000 in netnsfd 11
[  726.791156][T13052] Could not find netns with fd: 2000
[  726.791649][T13052] Cannot link a netdevsim to itself
[  726.792160][T13052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).