[ 3106.177136][T23669] gre: GRE over IPv4 demultiplexer driver
[ 3107.709165][T23692] ip_gre: GRE over IPv4 tunneling driver
[ 3154.081827][T24263] ip6_gre: GRE over IPv6 tunneling driver
[ 3173.548560][T24512] ping (24512) used greatest stack depth: 23616 bytes left
[ 3185.687231][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3190.616153][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3194.712153][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3199.384166][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!