[  487.387543] netdevsim netdevsim525 eni525np1: renamed from eth1
[  487.487598] netdevsim netdevsim415 eni415np1: renamed from eth0
[  487.839966] Could not find device with ifindex 2000 in netnsfd 11
[  487.840101] Could not find netns with fd: 2000
[  487.840179] Cannot link a netdevsim to itself
[  487.840273] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).