[  772.111446][T14749] netdevsim netdevsim275 eni275np1: renamed from eth0
[  772.124107][T14751] netdevsim netdevsim533 eni533np1: renamed from eth1
[  772.707204][T14737] Could not find device with ifindex 2000 in netnsfd 11
[  772.707945][T14737] Could not find netns with fd: 2000
[  772.708412][T14737] Cannot link a netdevsim to itself
[  772.708952][T14737] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).