[  809.983227][T14747] netdevsim netdevsim437 eni437np1: renamed from eth0
[  810.004171][T14749] netdevsim netdevsim626 eni626np1: renamed from eth1
[  810.596268][T14735] Could not find device with ifindex 2000 in netnsfd 11
[  810.597177][T14735] Could not find netns with fd: 2000
[  810.597647][T14735] Cannot link a netdevsim to itself
[  810.598203][T14735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).