[  483.028351] netdevsim netdevsim423 eni423np1: renamed from eth0
[  483.029034] netdevsim netdevsim736 eni736np1: renamed from eth1
[  483.118377] Could not find device with ifindex 2000 in netnsfd 11
[  483.118465] Could not find netns with fd: 2000
[  483.118515] Cannot link a netdevsim to itself
[  483.118568] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).