[  483.033174] netdevsim netdevsim624 eni624np1: renamed from eth1
[  483.133487] netdevsim netdevsim325 eni325np1: renamed from eth0
[  483.502699] Could not find device with ifindex 2000 in netnsfd 11
[  483.502850] Could not find netns with fd: 2000
[  483.502965] Cannot link a netdevsim to itself
[  483.503070] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).