[ 3111.920844][T27809] gre: GRE over IPv4 demultiplexor driver
[ 3113.061457][T27832] ip_gre: GRE over IPv4 tunneling driver
[ 3148.319460][T28404] ip6_gre: GRE over IPv6 tunneling driver
[ 3164.202887][T28654] ping (28654) used greatest stack depth: 23296 bytes left
[ 3174.031527][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3177.806436][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3181.135461][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3184.910433][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!