[ 1036.887667][T12478] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1036.985592][T12475] netdevsim netdevsim664 eni664np1: renamed from eth1
[ 1038.903825][T12470] Could not find device with ifindex 2000 in netnsfd 11
[ 1038.905167][T12470] Could not find netns with fd: 2000
[ 1038.905863][T12470] Cannot link a netdevsim to itself
[ 1038.906651][T12470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).