[  473.322356] netdevsim netdevsim332 eni332np1: renamed from eth0
[  473.322717] netdevsim netdevsim748 eni748np1: renamed from eth1
[  473.394306] Could not find device with ifindex 2000 in netnsfd 11
[  473.394393] Could not find netns with fd: 2000
[  473.394439] Cannot link a netdevsim to itself
[  473.394498] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).