[  762.258754][T14561] netdevsim netdevsim407 eni407np1: renamed from eth0
[  762.281175][T14563] netdevsim netdevsim541 eni541np1: renamed from eth1
[  762.815794][T14549] Could not find device with ifindex 2000 in netnsfd 11
[  762.816685][T14549] Could not find netns with fd: 2000
[  762.817061][T14549] Cannot link a netdevsim to itself
[  762.817476][T14549] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).