[  490.435595] netdevsim netdevsim591 eni591np1: renamed from eth1
[  490.532480] netdevsim netdevsim348 eni348np1: renamed from eth0
[  490.779094] Could not find device with ifindex 2000 in netnsfd 11
[  490.779278] Could not find netns with fd: 2000
[  490.779350] Cannot link a netdevsim to itself
[  490.779443] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).