[ 2913.296163][T23667] gre: GRE over IPv4 demultiplexer driver
[ 2914.897114][T23690] ip_gre: GRE over IPv4 tunneling driver
[ 2962.878935][T24261] ip6_gre: GRE over IPv6 tunneling driver
[ 2983.251500][T24510] ping (24510) used greatest stack depth: 22912 bytes left
[ 2995.886519][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3000.751471][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3004.974495][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3009.838485][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!