[  541.036097] netdevsim netdevsim409 eni409np1: renamed from eth0
[  541.137416] netdevsim netdevsim695 eni695np1: renamed from eth1
[  541.505671] Could not find device with ifindex 2000 in netnsfd 11
[  541.505867] Could not find netns with fd: 2000
[  541.505972] Cannot link a netdevsim to itself
[  541.506115] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).