[ 1323.403048][T12060] netdevsim netdevsim619 eni619np1: renamed from eth1
[ 1323.412494][T12061] netdevsim netdevsim486 eni486np1: renamed from eth0
[ 1327.123789][T12053] Could not find device with ifindex 2000 in netnsfd 11
[ 1327.124811][T12053] Could not find netns with fd: 2000
[ 1327.125408][T12053] Cannot link a netdevsim to itself
[ 1327.126252][T12053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).