[  933.901884][T14791] netdevsim netdevsim296 eni296np1: renamed from eth0
[  933.923861][T14793] netdevsim netdevsim621 eni621np1: renamed from eth1
[  934.926530][T14779] Could not find device with ifindex 2000 in netnsfd 11
[  934.927418][T14779] Could not find netns with fd: 2000
[  934.928434][T14779] Cannot link a netdevsim to itself
[  934.929368][T14779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).