[ 1236.147275][T11139] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1236.163322][T11137] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1239.457275][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.458069][T11131] Could not find netns with fd: 2000
[ 1239.458739][T11131] Cannot link a netdevsim to itself
[ 1239.459767][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).