[  482.004792] netdevsim netdevsim726 eni726np1: renamed from eth1
[  482.105574] netdevsim netdevsim280 eni280np1: renamed from eth0
[  482.458357] Could not find device with ifindex 2000 in netnsfd 11
[  482.458543] Could not find netns with fd: 2000
[  482.458642] Cannot link a netdevsim to itself
[  482.458773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).