[  477.445304] netdevsim netdevsim480 eni480np1: renamed from eth0
[  477.445673] netdevsim netdevsim679 eni679np1: renamed from eth1
[  477.538237] Could not find device with ifindex 2000 in netnsfd 11
[  477.538328] Could not find netns with fd: 2000
[  477.538369] Cannot link a netdevsim to itself
[  477.538426] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).