[  473.118308] netdevsim netdevsim478 eni478np1: renamed from eth0
[  473.119292] netdevsim netdevsim625 eni625np1: renamed from eth0
[  473.201156] Could not find device with ifindex 2000 in netnsfd 11
[  473.201246] Could not find netns with fd: 2000
[  473.201293] Cannot link a netdevsim to itself
[  473.201343] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).