[ 2840.489978][T18735] gre: GRE over IPv4 demultiplexer driver
[ 2842.036690][T18758] ip_gre: GRE over IPv4 tunneling driver
[ 2888.454100][T19330] ip6_gre: GRE over IPv6 tunneling driver
[ 2915.291959][T19673] ping (19673) used greatest stack depth: 23528 bytes left
[ 2920.264013][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2924.999976][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2929.031962][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2933.767987][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!