[  526.684937] netdevsim netdevsim689 eni689np1: renamed from eth1
[  526.782110] netdevsim netdevsim333 eni333np1: renamed from eth0
[  527.007360] Could not find device with ifindex 2000 in netnsfd 11
[  527.007528] Could not find netns with fd: 2000
[  527.007615] Cannot link a netdevsim to itself
[  527.007719] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).