[ 1017.681610][T12133] netdevsim netdevsim751 eni751np1: renamed from eth1
[ 1017.793267][T12135] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1019.569381][T12558] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.570459][T12558] Could not find netns with fd: 2000
[ 1019.571154][T12558] Cannot link a netdevsim to itself
[ 1019.572007][T12558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).