[  473.410606] netdevsim netdevsim426 eni426np1: renamed from eth0
[  473.411311] netdevsim netdevsim662 eni662np1: renamed from eth1
[  473.487838] Could not find device with ifindex 2000 in netnsfd 11
[  473.487931] Could not find netns with fd: 2000
[  473.487974] Cannot link a netdevsim to itself
[  473.488023] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).