[  797.594521][T14570] netdevsim netdevsim490 eni490np1: renamed from eth0
[  797.607190][T14572] netdevsim netdevsim632 eni632np1: renamed from eth1
[  798.223444][T14558] Could not find device with ifindex 2000 in netnsfd 11
[  798.224254][T14558] Could not find netns with fd: 2000
[  798.224706][T14558] Cannot link a netdevsim to itself
[  798.225413][T14558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).