[ 1241.091389][T12613] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1241.176529][T12614] netdevsim netdevsim481 eni481np1: renamed from eth0
[ 1243.894876][T12602] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.896067][T12602] Could not find netns with fd: 2000
[ 1243.896939][T12602] Cannot link a netdevsim to itself
[ 1243.898067][T12602] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).