[  862.363123][T15790] netdevsim netdevsim479 eni479np1: renamed from eth0
[  862.431013][T15791] netdevsim netdevsim637 eni637np1: renamed from eth1
[  863.182169][T15777] Could not find device with ifindex 2000 in netnsfd 11
[  863.183712][T15777] Could not find netns with fd: 2000
[  863.184672][T15777] Cannot link a netdevsim to itself
[  863.185661][T15777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).