[  810.253949][T14518] netdevsim netdevsim502 eni502np1: renamed from eth0
[  810.282812][T14520] netdevsim netdevsim662 eni662np1: renamed from eth1
[  811.003625][T14506] Could not find device with ifindex 2000 in netnsfd 11
[  811.005239][T14506] Could not find netns with fd: 2000
[  811.005904][T14506] Cannot link a netdevsim to itself
[  811.006673][T14506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).