[  748.490300][T14480] netdevsim netdevsim323 eni323np1: renamed from eth0
[  748.508192][T14482] netdevsim netdevsim714 eni714np1: renamed from eth1
[  749.057658][T14468] Could not find device with ifindex 2000 in netnsfd 11
[  749.058264][T14468] Could not find netns with fd: 2000
[  749.058721][T14468] Cannot link a netdevsim to itself
[  749.059246][T14468] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).