[  715.724573][T13054] netdevsim netdevsim291 eni291np1: renamed from eth0
[  715.751429][T13056] netdevsim netdevsim534 eni534np1: renamed from eth1
[  716.418131][T13042] Could not find device with ifindex 2000 in netnsfd 11
[  716.419001][T13042] Could not find netns with fd: 2000
[  716.419400][T13042] Cannot link a netdevsim to itself
[  716.419853][T13042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).