[  485.716510] netdevsim netdevsim741 eni741np1: renamed from eth1
[  485.813507] netdevsim netdevsim429 eni429np1: renamed from eth0
[  486.014906] Could not find device with ifindex 2000 in netnsfd 11
[  486.015253] Could not find netns with fd: 2000
[  486.015367] Cannot link a netdevsim to itself
[  486.015488] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).