[  798.815396][T14595] netdevsim netdevsim281 eni281np1: renamed from eth0
[  798.832590][T14597] netdevsim netdevsim656 eni656np1: renamed from eth1
[  799.401095][T14583] Could not find device with ifindex 2000 in netnsfd 11
[  799.401670][T14583] Could not find netns with fd: 2000
[  799.402044][T14583] Cannot link a netdevsim to itself
[  799.402820][T14583] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).