[  473.557044] netdevsim netdevsim418 eni418np1: renamed from eth0
[  473.557532] netdevsim netdevsim519 eni519np1: renamed from eth1
[  473.634037] Could not find device with ifindex 2000 in netnsfd 11
[  473.634126] Could not find netns with fd: 2000
[  473.634169] Cannot link a netdevsim to itself
[  473.634220] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).