[ 3188.954206][T28917] gre: GRE over IPv4 demultiplexor driver
[ 3190.141679][T28940] ip_gre: GRE over IPv4 tunneling driver
[ 3202.002530][T29142] ping (29142) used greatest stack depth: 23240 bytes left
[ 3225.765154][T29512] ip6_gre: GRE over IPv6 tunneling driver
[ 3250.165625][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3253.941535][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.396518][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.428525][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!