[  483.372788] netdevsim netdevsim267 eni267np1: renamed from eth0
[  483.373490] netdevsim netdevsim547 eni547np1: renamed from eth1
[  483.457871] Could not find device with ifindex 2000 in netnsfd 11
[  483.457932] Could not find netns with fd: 2000
[  483.457964] Cannot link a netdevsim to itself
[  483.458000] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).