[ 3228.849756][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3230.430461][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3278.059823][T24265] ip6_gre: GRE over IPv6 tunneling driver
[ 3294.291881][T24465] ping (24465) used greatest stack depth: 23344 bytes left
[ 3306.745341][   T51] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3311.414848][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3316.279835][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3320.502855][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3325.302843][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!