[  473.607949] netdevsim netdevsim325 eni325np1: renamed from eth0
[  473.608166] netdevsim netdevsim725 eni725np1: renamed from eth1
[  473.692209] Could not find device with ifindex 2000 in netnsfd 11
[  473.692289] Could not find netns with fd: 2000
[  473.692331] Cannot link a netdevsim to itself
[  473.692386] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).