[  473.546599] netdevsim netdevsim482 eni482np1: renamed from eth0
[  473.547198] netdevsim netdevsim756 eni756np1: renamed from eth1
[  473.618928] Could not find device with ifindex 2000 in netnsfd 11
[  473.619024] Could not find netns with fd: 2000
[  473.619072] Cannot link a netdevsim to itself
[  473.619128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).