[  473.036163] netdevsim netdevsim330 eni330np1: renamed from eth0
[  473.036869] netdevsim netdevsim525 eni525np1: renamed from eth1
[  473.117282] Could not find device with ifindex 2000 in netnsfd 11
[  473.117367] Could not find netns with fd: 2000
[  473.117411] Cannot link a netdevsim to itself
[  473.117459] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).