[  486.809268] netdevsim netdevsim730 eni730np1: renamed from eth1
[  486.909295] netdevsim netdevsim375 eni375np1: renamed from eth0
[  487.275564] Could not find device with ifindex 2000 in netnsfd 11
[  487.275732] Could not find netns with fd: 2000
[  487.275827] Cannot link a netdevsim to itself
[  487.275948] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).