[  478.688577] netdevsim netdevsim494 eni494np1: renamed from eth0
[  478.689492] netdevsim netdevsim525 eni525np1: renamed from eth0
[  478.778407] Could not find device with ifindex 2000 in netnsfd 11
[  478.778504] Could not find netns with fd: 2000
[  478.778553] Cannot link a netdevsim to itself
[  478.778613] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).