[  832.580767][T15780] netdevsim netdevsim453 eni453np1: renamed from eth0
[  832.591103][T15782] netdevsim netdevsim613 eni613np1: renamed from eth1
[  833.351263][T15767] Could not find device with ifindex 2000 in netnsfd 11
[  833.352516][T15767] Could not find netns with fd: 2000
[  833.353159][T15767] Cannot link a netdevsim to itself
[  833.353699][T15767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).