[ 1237.285790][T11146] netdevsim netdevsim513 eni513np1: renamed from eth1
[ 1237.301547][T11147] netdevsim netdevsim475 eni475np1: renamed from eth0
[ 1240.659777][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.660543][T11139] Could not find netns with fd: 2000
[ 1240.661187][T11139] Cannot link a netdevsim to itself
[ 1240.661934][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).