[ 4331.898647][T20503] gre: GRE over IPv4 demultiplexor driver
[ 4334.031897][T20526] ip_gre: GRE over IPv4 tunneling driver
[ 4396.360550][T21098] ip6_gre: GRE over IPv6 tunneling driver
[ 4440.122838][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4446.202767][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4451.385821][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4457.722740][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!