[  514.661417] netdevsim netdevsim378 eni378np1: renamed from eth0
[  514.759118] netdevsim netdevsim572 eni572np1: renamed from eth1
[  514.977446] Could not find device with ifindex 2000 in netnsfd 11
[  514.977616] Could not find netns with fd: 2000
[  514.977702] Cannot link a netdevsim to itself
[  514.977818] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).