[  524.508689] netdevsim netdevsim283 eni283np1: renamed from eth0
[  524.605932] netdevsim netdevsim730 eni730np1: renamed from eth1
[  524.852979] Could not find device with ifindex 2000 in netnsfd 11
[  524.853207] Could not find netns with fd: 2000
[  524.853306] Cannot link a netdevsim to itself
[  524.853432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).