[  845.300678][T15715] netdevsim netdevsim512 eni512np1: renamed from eth1
[  845.310534][T15712] netdevsim netdevsim356 eni356np1: renamed from eth0
[  846.056519][T15701] Could not find device with ifindex 2000 in netnsfd 11
[  846.057473][T15701] Could not find netns with fd: 2000
[  846.058173][T15701] Cannot link a netdevsim to itself
[  846.059077][T15701] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).