[  479.147566] netdevsim netdevsim298 eni298np1: renamed from eth0
[  479.248952] netdevsim netdevsim638 eni638np1: renamed from eth1
[  479.650251] Could not find device with ifindex 2000 in netnsfd 11
[  479.650412] Could not find netns with fd: 2000
[  479.650501] Cannot link a netdevsim to itself
[  479.650598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).