[ 3193.516536][T29011] gre: GRE over IPv4 demultiplexor driver
[ 3194.701297][T29034] ip_gre: GRE over IPv4 tunneling driver
[ 3230.928486][T29606] ip6_gre: GRE over IPv6 tunneling driver
[ 3237.865673][T13220] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3248.804199][ T8097] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3255.780141][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3259.812100][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3263.268163][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3267.109107][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3402.988494][T32222] ping (32222) used greatest stack depth: 22832 bytes left