[  707.829811][T13071] netdevsim netdevsim457 eni457np1: renamed from eth0
[  707.855555][T13073] netdevsim netdevsim549 eni549np1: renamed from eth1
[  708.532205][T13059] Could not find device with ifindex 2000 in netnsfd 11
[  708.533199][T13059] Could not find netns with fd: 2000
[  708.533636][T13059] Cannot link a netdevsim to itself
[  708.534221][T13059] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).