[ 2636.463816][T19287] gre: GRE over IPv4 demultiplexor driver
[ 2638.341278][T19310] ip_gre: GRE over IPv4 tunneling driver
[ 2694.251195][T19895] ip6_gre: GRE over IPv6 tunneling driver
[ 2732.211390][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2737.395322][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2742.003305][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2747.379326][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2835.757924][T21369] ping (21369) used greatest stack depth: 22432 bytes left