[  521.140891] netdevsim netdevsim362 eni362np1: renamed from eth0
[  521.237475] netdevsim netdevsim674 eni674np1: renamed from eth1
[  521.501661] Could not find device with ifindex 2000 in netnsfd 11
[  521.501843] Could not find netns with fd: 2000
[  521.501921] Cannot link a netdevsim to itself
[  521.502009] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).