[  492.004981] netdevsim netdevsim553 eni553np1: renamed from eth1
[  492.101154] netdevsim netdevsim352 eni352np1: renamed from eth0
[  492.366136] Could not find device with ifindex 2000 in netnsfd 11
[  492.366528] Could not find netns with fd: 2000
[  492.366655] Cannot link a netdevsim to itself
[  492.366784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).