[ 1236.297432][T11126] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1236.400410][T11125] netdevsim netdevsim620 eni620np1: renamed from eth1
[ 1239.742700][T11118] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.743542][T11118] Could not find netns with fd: 2000
[ 1239.744187][T11118] Cannot link a netdevsim to itself
[ 1239.745653][T11118] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).