[ 1214.851603][T12781] netdevsim netdevsim624 eni624np1: renamed from eth1
[ 1214.971274][T12783] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1217.560092][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1217.561331][T12775] Could not find netns with fd: 2000
[ 1217.562368][T12775] Cannot link a netdevsim to itself
[ 1217.563683][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).