[ 1237.251751][T11138] netdevsim netdevsim509 eni509np1: renamed from eth0
[ 1237.260774][T11136] netdevsim netdevsim604 eni604np1: renamed from eth1
[ 1240.584164][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.585218][T11130] Could not find netns with fd: 2000
[ 1240.586154][T11130] Cannot link a netdevsim to itself
[ 1240.587189][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).