[ 1237.235479][T11142] netdevsim netdevsim673 eni673np1: renamed from eth1
[ 1237.239044][T11143] netdevsim netdevsim328 eni328np1: renamed from eth0
[ 1240.596133][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.596942][T11135] Could not find netns with fd: 2000
[ 1240.597499][T11135] Cannot link a netdevsim to itself
[ 1240.598197][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).