[ 1242.191333][T12790] netdevsim netdevsim537 eni537np1: renamed from eth1
[ 1242.318977][T12792] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1244.970096][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.971491][T12780] Could not find netns with fd: 2000
[ 1244.973273][T12780] Cannot link a netdevsim to itself
[ 1244.974528][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).