[ 1293.350460][T12848] netdevsim netdevsim511 eni511np1: renamed from eth0
[ 1293.474893][T12846] netdevsim netdevsim642 eni642np1: renamed from eth1
[ 1296.309581][T12835] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.325218][T12835] Could not find netns with fd: 2000
[ 1296.326775][T12835] Cannot link a netdevsim to itself
[ 1296.328572][T12835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).