[  473.099105] netdevsim netdevsim483 eni483np1: renamed from eth0
[  473.099780] netdevsim netdevsim648 eni648np1: renamed from eth1
[  473.184778] Could not find device with ifindex 2000 in netnsfd 11
[  473.184893] Could not find netns with fd: 2000
[  473.184937] Cannot link a netdevsim to itself
[  473.184987] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).