[  485.579987] netdevsim netdevsim441 eni441np1: renamed from eth0
[  485.681441] netdevsim netdevsim747 eni747np1: renamed from eth1
[  486.046859] Could not find device with ifindex 2000 in netnsfd 11
[  486.047022] Could not find netns with fd: 2000
[  486.047119] Cannot link a netdevsim to itself
[  486.047249] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).