[  839.296690][T14787] netdevsim netdevsim442 eni442np1: renamed from eth0
[  839.311247][T14789] netdevsim netdevsim755 eni755np1: renamed from eth1
[  839.955512][T14775] Could not find device with ifindex 2000 in netnsfd 11
[  839.956438][T14775] Could not find netns with fd: 2000
[  839.956819][T14775] Cannot link a netdevsim to itself
[  839.957454][T14775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).