[  517.578799] netdevsim netdevsim518 eni518np1: renamed from eth1
[  517.676757] netdevsim netdevsim472 eni472np1: renamed from eth0
[  517.890532] Could not find device with ifindex 2000 in netnsfd 11
[  517.890690] Could not find netns with fd: 2000
[  517.890761] Cannot link a netdevsim to itself
[  517.890850] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).