[  799.151309][T14664] netdevsim netdevsim414 eni414np1: renamed from eth0
[  799.169737][T14666] netdevsim netdevsim621 eni621np1: renamed from eth1
[  799.960657][T14652] Could not find device with ifindex 2000 in netnsfd 11
[  799.961612][T14652] Could not find netns with fd: 2000
[  799.962092][T14652] Cannot link a netdevsim to itself
[  799.962972][T14652] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).