[  458.049464] netdevsim netdevsim397 eni397np1: renamed from eth0
[  458.049889] netdevsim netdevsim702 eni702np1: renamed from eth1
[  458.155202] Could not find device with ifindex 2000 in netnsfd 11
[  458.155314] Could not find netns with fd: 2000
[  458.155371] Cannot link a netdevsim to itself
[  458.155427] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).