[ 1250.900629][T11148] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1250.920980][T11147] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1254.226709][T11140] Could not find device with ifindex 2000 in netnsfd 11
[ 1254.227446][T11140] Could not find netns with fd: 2000
[ 1254.227990][T11140] Cannot link a netdevsim to itself
[ 1254.229524][T11140] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).