[  526.265517] netdevsim netdevsim654 eni654np1: renamed from eth1
[  526.361895] netdevsim netdevsim433 eni433np1: renamed from eth0
[  526.625048] Could not find device with ifindex 2000 in netnsfd 11
[  526.625263] Could not find netns with fd: 2000
[  526.625371] Cannot link a netdevsim to itself
[  526.625512] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).