[  481.863296] netdevsim netdevsim505 eni505np1: renamed from eth0
[  481.965619] netdevsim netdevsim683 eni683np1: renamed from eth1
[  482.327576] Could not find device with ifindex 2000 in netnsfd 11
[  482.327750] Could not find netns with fd: 2000
[  482.327840] Cannot link a netdevsim to itself
[  482.327956] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).