[  487.478712] netdevsim netdevsim488 eni488np1: renamed from eth0
[  487.575809] netdevsim netdevsim561 eni561np1: renamed from eth1
[  487.809061] Could not find device with ifindex 2000 in netnsfd 11
[  487.809363] Could not find netns with fd: 2000
[  487.809464] Cannot link a netdevsim to itself
[  487.809597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).