[ 1216.134268][T12781] netdevsim netdevsim447 eni447np1: renamed from eth0
[ 1216.193072][T12779] netdevsim netdevsim554 eni554np1: renamed from eth1
[ 1218.738732][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1218.740075][T12773] Could not find netns with fd: 2000
[ 1218.748560][T12773] Cannot link a netdevsim to itself
[ 1218.749685][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).