[  800.433796][T14763] netdevsim netdevsim430 eni430np1: renamed from eth0
[  800.448527][T14765] netdevsim netdevsim639 eni639np1: renamed from eth1
[  801.034719][T14751] Could not find device with ifindex 2000 in netnsfd 11
[  801.035624][T14751] Could not find netns with fd: 2000
[  801.035996][T14751] Cannot link a netdevsim to itself
[  801.036419][T14751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).