[ 3200.124910][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3201.785105][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3235.963277][T24114] ip (24114) used greatest stack depth: 23280 bytes left
[ 3250.904046][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3271.413676][T24515] ping (24515) used greatest stack depth: 23008 bytes left
[ 3283.968581][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3288.767493][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3292.863493][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.663527][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!