[  482.137854] netdevsim netdevsim331 eni331np1: renamed from eth0
[  482.239103] netdevsim netdevsim694 eni694np1: renamed from eth1
[  482.588038] Could not find device with ifindex 2000 in netnsfd 11
[  482.588168] Could not find netns with fd: 2000
[  482.588231] Cannot link a netdevsim to itself
[  482.588311] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).