[  526.816945] netdevsim netdevsim447 eni447np1: renamed from eth0
[  526.914202] netdevsim netdevsim682 eni682np1: renamed from eth1
[  527.174455] Could not find device with ifindex 2000 in netnsfd 11
[  527.174667] Could not find netns with fd: 2000
[  527.174770] Cannot link a netdevsim to itself
[  527.174896] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).