[ 3247.888126][T22572] gre: GRE over IPv4 demultiplexor driver
[ 3250.097282][T22596] ip_gre: GRE over IPv4 tunneling driver
[ 3311.968950][T23171] ip6_gre: GRE over IPv6 tunneling driver
[ 3354.948815][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3360.901713][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3366.021705][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3371.908737][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3523.918816][T25127] ping (25127) used greatest stack depth: 23120 bytes left