[  488.172667] netdevsim netdevsim596 eni596np1: renamed from eth1
[  488.275244] netdevsim netdevsim335 eni335np1: renamed from eth0
[  489.107717] Could not find device with ifindex 2000 in netnsfd 11
[  489.108275] Could not find netns with fd: 2000
[  489.108381] Cannot link a netdevsim to itself
[  489.108514] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).