[ 1228.999550][T12919] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1229.135144][T12916] netdevsim netdevsim608 eni608np1: renamed from eth1
[ 1231.717768][T12911] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.719004][T12911] Could not find netns with fd: 2000
[ 1231.719870][T12911] Cannot link a netdevsim to itself
[ 1231.721566][T12911] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).