[  479.325270] netdevsim netdevsim342 eni342np1: renamed from eth0
[  479.326803] netdevsim netdevsim737 eni737np1: renamed from eth1
[  479.423158] Could not find device with ifindex 2000 in netnsfd 11
[  479.423252] Could not find netns with fd: 2000
[  479.423297] Cannot link a netdevsim to itself
[  479.423349] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).