[ 2987.319182][T26450] gre: GRE over IPv4 demultiplexer driver
[ 2988.898470][T26474] ip_gre: GRE over IPv4 tunneling driver
[ 3016.193031][T26821] ping (26821) used greatest stack depth: 23360 bytes left
[ 3035.659569][T27046] ip6_gre: GRE over IPv6 tunneling driver
[ 3067.899584][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3072.762492][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3076.923500][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3081.851504][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!