[ 4447.030083][T22427] gre: GRE over IPv4 demultiplexor driver
[ 4449.128082][T22450] ip_gre: GRE over IPv4 tunneling driver
[ 4510.654098][T23026] ip6_gre: GRE over IPv6 tunneling driver
[ 4554.354496][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4560.178338][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4565.171337][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4571.058361][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!