[ 3161.044060][T22573] gre: GRE over IPv4 demultiplexor driver
[ 3163.113682][T22597] ip_gre: GRE over IPv4 tunneling driver
[ 3224.073261][T23171] ip6_gre: GRE over IPv6 tunneling driver
[ 3245.092804][T23370] ping (23370) used greatest stack depth: 22224 bytes left
[ 3265.627478][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.579400][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.635434][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3282.331407][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!