[  473.367204] netdevsim netdevsim317 eni317np1: renamed from eth0
[  473.367643] netdevsim netdevsim560 eni560np1: renamed from eth1
[  473.441133] Could not find device with ifindex 2000 in netnsfd 11
[  473.441237] Could not find netns with fd: 2000
[  473.441291] Cannot link a netdevsim to itself
[  473.441354] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).