[  480.185615] netdevsim netdevsim404 eni404np1: renamed from eth0
[  480.186303] netdevsim netdevsim534 eni534np1: renamed from eth0
[  480.276020] Could not find device with ifindex 2000 in netnsfd 11
[  480.276190] Could not find netns with fd: 2000
[  480.276309] Cannot link a netdevsim to itself
[  480.276442] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).