[  514.785235] netdevsim netdevsim679 eni679np1: renamed from eth1
[  514.882145] netdevsim netdevsim487 eni487np1: renamed from eth0
[  515.130105] Could not find device with ifindex 2000 in netnsfd 11
[  515.130324] Could not find netns with fd: 2000
[  515.130407] Cannot link a netdevsim to itself
[  515.130505] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).