[ 1238.136236][T11146] netdevsim netdevsim351 eni351np1: renamed from eth0
[ 1238.145011][T11145] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1241.471686][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1241.472329][T11138] Could not find netns with fd: 2000
[ 1241.472847][T11138] Cannot link a netdevsim to itself
[ 1241.473692][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).