[  485.239701] netdevsim netdevsim451 eni451np1: renamed from eth0
[  485.341304] netdevsim netdevsim676 eni676np1: renamed from eth1
[  485.706901] Could not find device with ifindex 2000 in netnsfd 11
[  485.707044] Could not find netns with fd: 2000
[  485.707296] Cannot link a netdevsim to itself
[  485.707399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).