[  473.779424] netdevsim netdevsim655 eni655np1: renamed from eth1
[  473.779904] netdevsim netdevsim467 eni467np1: renamed from eth0
[  473.857039] Could not find device with ifindex 2000 in netnsfd 11
[  473.857132] Could not find netns with fd: 2000
[  473.857173] Cannot link a netdevsim to itself
[  473.857233] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).