[  473.340824] netdevsim netdevsim327 eni327np1: renamed from eth0
[  473.342937] netdevsim netdevsim740 eni740np1: renamed from eth1
[  473.420832] Could not find device with ifindex 2000 in netnsfd 11
[  473.420965] Could not find netns with fd: 2000
[  473.421064] Cannot link a netdevsim to itself
[  473.421182] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).