[  263.757195] netdevsim netdevsim694 eni694np1: renamed from eth1
[  263.855256] netdevsim netdevsim489 eni489np1: renamed from eth0
[  264.081606] Could not find device with ifindex 2000 in netnsfd 11
[  264.081817] Could not find netns with fd: 2000
[  264.081915] Cannot link a netdevsim to itself
[  264.082037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).