[  526.627632] netdevsim netdevsim696 eni696np1: renamed from eth1
[  526.725058] netdevsim netdevsim349 eni349np1: renamed from eth0
[  526.936896] Could not find device with ifindex 2000 in netnsfd 11
[  526.937101] Could not find netns with fd: 2000
[  526.937212] Cannot link a netdevsim to itself
[  526.937329] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).