[  766.253130][T14753] netdevsim netdevsim463 eni463np1: renamed from eth0
[  766.266692][T14755] netdevsim netdevsim553 eni553np1: renamed from eth1
[  766.874287][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  766.874802][T14741] Could not find netns with fd: 2000
[  766.875785][T14741] Cannot link a netdevsim to itself
[  766.876385][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).