[  527.290846] netdevsim netdevsim368 eni368np1: renamed from eth0
[  527.388144] netdevsim netdevsim691 eni691np1: renamed from eth1
[  527.644802] Could not find device with ifindex 2000 in netnsfd 11
[  527.644996] Could not find netns with fd: 2000
[  527.645109] Cannot link a netdevsim to itself
[  527.645208] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).