[ 3199.785627][T28883] gre: GRE over IPv4 demultiplexor driver
[ 3200.956603][T28906] ip_gre: GRE over IPv4 tunneling driver
[ 3238.814262][T29478] ip6_gre: GRE over IPv6 tunneling driver
[ 3260.389381][T29823] ping (29823) used greatest stack depth: 23296 bytes left
[ 3264.811535][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3268.778354][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3272.170277][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3276.266323][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!