[  527.089943] netdevsim netdevsim388 eni388np1: renamed from eth0
[  527.187687] netdevsim netdevsim715 eni715np1: renamed from eth1
[  527.426656] Could not find device with ifindex 2000 in netnsfd 11
[  527.426810] Could not find netns with fd: 2000
[  527.426892] Cannot link a netdevsim to itself
[  527.426994] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).