[  761.176778][T14753] netdevsim netdevsim290 eni290np1: renamed from eth0
[  761.197312][T14755] netdevsim netdevsim531 eni531np1: renamed from eth1
[  761.748742][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  761.749393][T14741] Could not find netns with fd: 2000
[  761.749879][T14741] Cannot link a netdevsim to itself
[  761.750490][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).