[ 1240.510141][T11141] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1240.546005][T11143] netdevsim netdevsim473 eni473np1: renamed from eth0
[ 1243.864817][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.865538][T11135] Could not find netns with fd: 2000
[ 1243.866066][T11135] Cannot link a netdevsim to itself
[ 1243.866769][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).