[  493.507145] netdevsim netdevsim703 eni703np1: renamed from eth1
[  493.603511] netdevsim netdevsim466 eni466np1: renamed from eth0
[  493.845625] Could not find device with ifindex 2000 in netnsfd 11
[  493.845983] Could not find netns with fd: 2000
[  493.846067] Cannot link a netdevsim to itself
[  493.846155] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).