[  710.300643][T13061] netdevsim netdevsim487 eni487np1: renamed from eth0
[  710.325308][T13063] netdevsim netdevsim521 eni521np1: renamed from eth1
[  710.988431][T13049] Could not find device with ifindex 2000 in netnsfd 11
[  710.989249][T13049] Could not find netns with fd: 2000
[  710.989629][T13049] Cannot link a netdevsim to itself
[  710.990103][T13049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).