[  481.632019] netdevsim netdevsim267 eni267np1: renamed from eth0
[  481.733114] netdevsim netdevsim740 eni740np1: renamed from eth1
[  482.081332] Could not find device with ifindex 2000 in netnsfd 11
[  482.081485] Could not find netns with fd: 2000
[  482.081585] Cannot link a netdevsim to itself
[  482.081722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).