[  488.768448] netdevsim netdevsim284 eni284np1: renamed from eth0
[  488.864831] netdevsim netdevsim692 eni692np1: renamed from eth1
[  489.100397] Could not find device with ifindex 2000 in netnsfd 11
[  489.100777] Could not find netns with fd: 2000
[  489.100882] Cannot link a netdevsim to itself
[  489.101034] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).