[  761.736937][T14639] netdevsim netdevsim373 eni373np1: renamed from eth0
[  761.754873][T14641] netdevsim netdevsim630 eni630np1: renamed from eth1
[  762.301210][T14627] Could not find device with ifindex 2000 in netnsfd 11
[  762.301712][T14627] Could not find netns with fd: 2000
[  762.302081][T14627] Cannot link a netdevsim to itself
[  762.302496][T14627] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).