[  482.847522] netdevsim netdevsim407 eni407np1: renamed from eth0
[  482.948655] netdevsim netdevsim740 eni740np1: renamed from eth1
[  483.281235] Could not find device with ifindex 2000 in netnsfd 11
[  483.281372] Could not find netns with fd: 2000
[  483.281448] Cannot link a netdevsim to itself
[  483.281538] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).