[  489.917312] netdevsim netdevsim533 eni533np1: renamed from eth1
[  490.013222] netdevsim netdevsim298 eni298np1: renamed from eth0
[  490.212434] Could not find device with ifindex 2000 in netnsfd 11
[  490.212740] Could not find netns with fd: 2000
[  490.212829] Cannot link a netdevsim to itself
[  490.212929] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).