[  473.710162] netdevsim netdevsim403 eni403np1: renamed from eth0
[  473.710660] netdevsim netdevsim694 eni694np1: renamed from eth1
[  473.782221] Could not find device with ifindex 2000 in netnsfd 11
[  473.782302] Could not find netns with fd: 2000
[  473.782344] Cannot link a netdevsim to itself
[  473.782399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).