[  762.007108][T14753] netdevsim netdevsim492 eni492np1: renamed from eth0
[  762.022084][T14755] netdevsim netdevsim747 eni747np1: renamed from eth1
[  762.581226][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  762.581745][T14741] Could not find netns with fd: 2000
[  762.582101][T14741] Cannot link a netdevsim to itself
[  762.582539][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).