[  452.145086] netdevsim netdevsim354 eni354np1: renamed from eth0
[  452.241905] netdevsim netdevsim724 eni724np1: renamed from eth1
[  452.454799] Could not find device with ifindex 2000 in netnsfd 11
[  452.455062] Could not find netns with fd: 2000
[  452.455148] Cannot link a netdevsim to itself
[  452.455273] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).