[  485.384139] netdevsim netdevsim629 eni629np1: renamed from eth1
[  485.484539] netdevsim netdevsim492 eni492np1: renamed from eth0
[  485.793273] Could not find device with ifindex 2000 in netnsfd 11
[  485.793437] Could not find netns with fd: 2000
[  485.793530] Cannot link a netdevsim to itself
[  485.793659] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).